8 Types of Fuel for Cars: The 2026 UK Driver's Guide

That Sinking Feeling: At the Pump with the Wrong Nozzle

You’ve just finished filling your tank. You put the nozzle back, glance at the receipt, and your stomach drops. Was that the right fuel?

It happens fast, and it happens to careful drivers too. A different hire car, a busy forecourt, poor lighting, a distracting phone call, or habit taking over. One moment you’re topping up as normal. The next, you’re wondering whether you’ve just put petrol in a diesel, diesel in a petrol, or something else entirely.

That’s why understanding the types of fuel for cars matters. It’s not just a technical topic for mechanics or car enthusiasts. It affects what you buy, how your car drives, what you pay at the pump, where you can refuel, and what sort of mistakes can cause serious damage.

In the UK, this matters even more because the car parc is still dominated by petrol and diesel vehicles. Existing licensing data shows over 11 million diesel cars licensed and about 14 million petrol cars, while electrified vehicles remain under 2 million, according to ACEA’s summary of UK and European fuel-type context. That means most drivers are still dealing with conventional fuel choices, and most misfuelling risks still happen on ordinary forecourts.

The good news is that fuel types aren’t as confusing as they first seem once you break them down into plain English. Some burn in a conventional engine. Some combine fuel and electricity. Some don’t use liquid fuel at all.

This guide walks through the main fuel types you’re most likely to hear about, from petrol and diesel to hybrids, electric cars, LPG, CNG and hydrogen. For each one, you’ll get a simple explanation, everyday examples, and the practical bit that matters when something goes wrong. If you’re in Suffolk or elsewhere in England and you’ve misfuelled, that last part could save you a very expensive repair.

1. Petrol

Petrol is the fuel most drivers think of first. It powers a huge range of cars, from small Ford Fiestas and Vauxhall Corsas to Volkswagen Golfs, BMW saloons and everyday Toyota and Honda models. Petrol engines use spark plugs to ignite the fuel, which helps them feel smooth, responsive and well suited to town driving and mixed use.

If you want a simple way to think about petrol, think familiar and flexible. It suits drivers who do shorter trips, urban journeys, school runs and general everyday mileage. For many households, a petrol car still feels like the most straightforward ownership experience because refuelling is quick and forecourt availability is easy.

In the United States, gasoline still overwhelmingly dominates the vehicle fleet. There were roughly 282 million registered light-duty vehicles in 2022, with only 33 million relying on alternative fuels of any kind, according to USAFacts on vehicle fuel types. That’s US data, but it underlines how firmly established petrol remains as a mainstream fuel.

Understanding petrol grades

Not all petrol is identical. In many markets, fuel is sold by octane grade. The US standard breakdown, explained by the US Energy Information Administration’s octane guide, lists regular at 87 octane, mid-grade at 89 to 90, and premium at 91 to 94. The key point for drivers is simple. Higher octane isn’t automatically better. It’s only necessary if your engine is designed for it.

If your car’s handbook or fuel flap specifies a certain petrol grade, stick to it. Using a lower grade than recommended can lead to knocking and possible long-term damage. Using a higher grade than required usually won’t deliver meaningful benefits in an ordinary road car.

Practical rule: Use the fuel your manufacturer specifies, not the fuel that sounds most “premium”.

For a closer look at petrol variants and what the labels mean, see this guide to different types of petrol.

If you misfuel a petrol car

The classic mistake here is putting diesel into a petrol car. If that happens, stop immediately and don’t start the engine. If you’ve already started it, switch it off as soon as it’s safe to do so and get help.

A few habits reduce the risk:

• Check the fuel flap first: The correct fuel type is often printed inside the flap or in the handbook.

• Break your routine in hire cars: A temporary car is one of the easiest ways to make a habitual mistake.

• Refuel before you’re rushed: Drivers make more errors when they’re tired, late, or juggling children and phones.

2. Diesel

You finish filling up on a rainy Suffolk evening, get back in, and then spot the pump label on the receipt. It says petrol. If your car is diesel, that moment matters. Acting quickly can prevent a much bigger repair bill.

Diesel engines work differently from petrol engines. Instead of using spark plugs to ignite the fuel, they compress air so tightly that the fuel ignites from heat and pressure. A simple way to picture it is this. A petrol engine waits for a spark. A diesel engine creates the conditions for the fuel to fire on its own. That design is one reason diesel vehicles are known for strong low-speed pulling power, which suits heavier cars, vans, towing, and long motorway runs.

That is why diesel has been common in vehicles such as the Ford Transit, larger BMW and Mercedes models, many Volkswagen and Audi diesels, and a wide range of Land Rover vehicles. For drivers who carry tools, tow caravans, or spend hours covering distance, diesel has long had a practical appeal.

Diesel still matters on UK roads because a large number of diesel cars and vans remain in daily use, even though buying trends have shifted. That helps explain why petrol-in-diesel mistakes are still a regular callout for fuel drain specialists across England.

Why diesel suits some drivers, but not all

Diesel usually works best when the vehicle gets properly warm and spends time at steady speeds. A courier driving across counties or a tradesperson covering several jobs a day may find diesel a good fit. By contrast, repeated short school-run trips and cold starts can be harder on some modern diesel systems, especially emissions equipment.

Modern diesels are precise machines. High-pressure pumps, injectors, turbochargers, and emissions components all depend on the right fuel and the right servicing. If you drive one, follow the handbook closely and check the filler flap before using an unfamiliar pump or borrowing a different vehicle.

If you want a clearer explanation of grades, labels, and what appears at UK forecourts, this guide to diesel fuel types in the UK is a useful next read.

A diesel engine can be expensive to contaminate because the fuel also helps lubricate key parts of the system.

If petrol goes into a diesel tank

This is one of the more serious misfuelling mistakes. Diesel fuel systems rely on lubrication. Petrol thins that protection, so if the contaminated fuel is circulated, it can damage the pump and injectors.

The first rule is simple. Do not start the engine.

If you realise the mistake before turning the key, leave the car where it is if it is safe to do so and tell the forecourt staff. If you have already started it, switch off as soon as it is safe. Do not try to fix the problem by topping up with diesel. That still leaves contaminated fuel in the system.

Practical steps:

• Stop immediately: The less the wrong fuel moves through the system, the better.

• Do not restart the vehicle: Even a brief run can push petrol into sensitive diesel components.

• Call a specialist: A drain and flush is usually the safest response.

• Explain exactly what happened: Tell them the fuel type, the estimated amount, and whether the engine was started or driven.

If you are in Suffolk or elsewhere in England, Misfuelled Car Fixer can arrange the correct response for a petrol-in-diesel incident. The key is speed and accuracy, not guesswork.

A final tip. Diesel drivers are often caught out in hire cars, shared family cars, and busy forecourts where habit takes over. Slow down for five seconds, read the pump label, then fill. That tiny pause can save a very large repair.

3. Hybrid Electric

You pull into a forecourt in a borrowed Toyota Corolla Hybrid. The car has driven through town on battery power, so it is easy to forget a simple fact. It still has an engine, a fuel tank, and a filler neck that must match the right fuel.

A hybrid electric vehicle, or HEV, uses two power sources working together: a conventional engine and an electric motor. The battery is charged by the car itself, mainly through braking and engine-generated power, so you do not normally plug it in. In practice, the system behaves a bit like a cyclist getting help on hills and at traffic lights. The electric motor supports the engine where it saves the most fuel and makes the car feel smoother.

That setup has made hybrids popular with drivers who want lower fuel use in stop-start traffic without changing their refuelling routine. Models such as the Toyota Yaris, C-HR, Corolla and RAV4 Hybrid, along with many Lexus hybrids and some Hondas, use this format. For many households, it feels like a gentle step toward electrified driving rather than a full change in habits.

The point that matters at the pump is straightforward. "Hybrid" describes how the car moves, not what liquid fuel goes in the tank.

In the UK, most non-plug-in hybrids use petrol engines. A few drivers still get caught out because the cabin feels part-electric and the engine may stay off for part of the journey. That can create false confidence at the forecourt, especially in hire cars, company cars, and shared family vehicles. The safe habit is simple: check the filler flap and the handbook, then check the pump label before you squeeze the handle.

Hybrid misfuelling. What to do straight away

A hybrid is not protected from misfuelling because it has a battery. If the wrong fuel goes into the tank, the engine side of the car faces the same contamination risk as a conventional vehicle with the same engine type.

Start with these steps:

• Do not start the car: If the engine has not run, the wrong fuel is more likely to stay in the tank.

• If it is already on, switch off when safe: Some hybrids can start the engine automatically, so avoid leaving the car in a ready-to-drive state.

• Do not try to dilute the mistake: Adding the correct fuel on top rarely solves the problem.

• Tell the recovery or drainage specialist exactly what happened: Include the car model, the fuel added, the rough amount, and whether the vehicle was started or driven.

This catches people out because a hybrid can sit with the dashboard lit, which makes it less obvious whether the engine has started. Treat the car as live until you are sure. If you are in Suffolk or elsewhere in England, Misfuelled Car Fixer can arrange the appropriate drain and flush response for a hybrid just as they would for a petrol or diesel vehicle.

One final check helps prevent expensive mistakes. Read the flap, not the badge. "Hybrid" is a drivetrain label, not a fuel instruction.

4. Plug-in Hybrid Electric

A plug-in hybrid, or PHEV, sits between a standard hybrid and a full electric car. Like a hybrid, it has an engine and an electric motor. Unlike a standard hybrid, it has a larger battery that you can charge from a plug or wallbox. That means many local trips can be done mainly on electric power, while the engine remains there for longer journeys.

This format suits a lot of mixed-use households. A BMW 330e, Audi Q5 TFSI e, Range Rover Sport PHEV or Mercedes-Benz C-Class PHEV can do school runs, commutes and local errands on battery power, then cover a weekend motorway journey without planning around chargers in the same way as a pure EV.

That flexibility is the main attraction. If your routine includes short weekday driving and occasional longer trips, a plug-in hybrid can be a practical fit. But you only get the best from it if you charge it regularly and still maintain the engine properly.

Why PHEVs confuse some drivers

The car has a charging socket. It may move off. The dashboard may say you’re in EV mode. But it still has a fuel tank, and that fuel tank still needs the correct fuel.

Most UK PHEVs use petrol engines, though it’s always worth checking. Never assume based on brand or size alone. A premium SUV with a charging cable still needs the right liquid fuel when the engine cuts in.

The same ACEA context page notes that electrified powertrains are growing in importance in the broader market, even though conventional engines remain dominant on the road today. That helps explain why more drivers now encounter PHEVs as company cars, family SUVs and leased vehicles.

Misfuelling risks with PHEVs

Complexity rises in such instances. A misfuelled PHEV can seem fine at first because the car may still have battery charge. A driver might not realise there’s a problem until the engine tries to start later.

If the wrong fuel goes into a PHEV, don’t rely on the battery to “get away with it”. The engine and fuel system are still at risk.

Keep these habits in mind:

• Charge and fuel separately in your mind: One powers the battery. The other feeds the engine.

• Check before every forecourt stop: This matters even more if you switch between different vehicles.

• Don’t ignore delayed symptoms: A PHEV may not show trouble until the combustion engine joins in.

If you misfuel one, don’t start it and don’t attempt a home fix. These systems need specialist handling.

5. Battery Electric

A battery electric vehicle, or BEV, doesn’t use petrol or diesel at all. It runs on electricity stored in a battery pack and delivered through one or more electric motors. No engine oil changes. No exhaust. No fuel pump. No forecourt misfuelling in the traditional sense.

That’s why many drivers describe a BEV as simpler in day-to-day use. A Tesla Model 3, Nissan Leaf, Volkswagen ID.4, Renault Zoe, BMW iX or Mercedes EQ model is charged rather than fuelled. For local driving, commuting and regular home charging, the experience can feel very convenient.

The practical shift is mental as much as mechanical. Instead of asking, “What fuel does it take?” you ask, “Where and when do I charge it?” Home charging often becomes the centre of ownership, with public charging used for top-ups and longer journeys.

What counts as the “fuel” in an EV

Electricity is the energy source here, so in a broad sense it’s the fuel. But because it isn’t dispensed through a petrol or diesel pump, the usual wrong-nozzle mistake doesn’t apply.

New EV drivers often need to learn a different routine:

• Plan home charging first: Many owners find overnight charging the easiest pattern.

• Know your public networks: Instavolt, BP Pulse and Shell Recharge are common names drivers come across.

• Use route planning tools: Longer drives are easier when you know charger locations before you leave.

If you’re comparing installation options at home, this guide to 2026 home EV charger costs in London gives a useful overview of what people consider when adding a charger.

The nearest thing to “misfuelling” an EV

You can’t put petrol into a BEV because there’s nowhere to put it. The risks are different. They usually involve charging issues, damaged cables, incompatible connectors, or arriving low on charge without a working charging option nearby.

That’s a different sort of stress, but it isn’t a contamination issue in the same way as petrol and diesel mistakes. If a BEV won’t charge, the answer is usually electrical diagnosis or roadside recovery, not a fuel drain.

A pure EV removes forecourt misfuelling risk altogether, but it replaces it with charge-planning discipline.

6. Liquefied Petroleum Gas

LPG stands for liquefied petroleum gas. It’s usually a propane-butane mix stored under pressure in a dedicated tank. In car use, LPG is often found in converted petrol vehicles or in a smaller number of factory-prepared dual-fuel models.

In practical terms, LPG has usually appealed to drivers who want lower running costs from a conventional combustion vehicle without moving to a hybrid or EV. Taxi drivers, private hire operators and some fleets have used it for that reason. You may also come across LPG-equipped examples from brands such as Dacia, Fiat or Vauxhall, plus many aftermarket conversions.

LPG cars often start on petrol or retain a petrol system alongside the gas setup. That’s why they’re often called dual-fuel vehicles. The driver can usually switch between systems, depending on the setup and conditions.

The real-world ownership trade-off

LPG can work well for the right driver, but it isn’t as simple as buying a normal petrol car. You need a properly installed conversion, suitable paperwork, insurance awareness, and a reliable idea of where you’ll refill. That infrastructure question is one reason LPG remains a specialist rather than mainstream choice.

If you own an LPG vehicle, maintenance matters. The gas system, tank, lines and switchgear need to be looked after by someone who understands them. It’s also sensible to run the petrol side periodically so the conventional fuel system stays healthy.

Misfuelling an LPG car

This one is less about grabbing the wrong forecourt nozzle and more about misunderstanding what kind of vehicle you have. A converted car may look like an ordinary petrol hatchback, but it has extra hardware and a different refuelling process for the gas side.

A few simple precautions go a long way:

• Confirm whether it’s dual-fuel: A used car buyer should never assume. Check the paperwork and filler layout.

• Use trained conversion specialists: Safety depends on correct installation and servicing.

• Know which filler is which: The petrol filler and the LPG filler serve different systems.

For broader context around alternative drivetrains and emergency planning, Knight Tek has a useful guide on EV safety, especially for operators thinking about vehicle risk rather than just refuelling.

If you’re ever unsure what a converted car should take, stop and ask before refuelling. Guessing is how expensive mistakes begin.

7. Compressed Natural Gas

CNG stands for compressed natural gas. It uses methane stored at high pressure in specially designed tanks, and it powers an internal combustion engine adapted for that purpose. In simple terms, it’s another alternative to petrol and diesel, but one that has remained far more common in commercial or specialist settings than in ordinary private motoring.

You’re more likely to hear about CNG in relation to buses, municipal fleets, service vehicles or certain trucks than family hatchbacks. Some car models have offered CNG versions in the past, but for a typical UK motorist it’s still unusual enough that many drivers will never encounter it in daily life.

That rarity is the biggest practical point. A fuel type can look attractive on paper, but if the refuelling network is too limited for your routine, it becomes hard to live with.

Who CNG suits

CNG tends to make more sense where the operator controls refuelling. A depot-based fleet can plan around private access and specialist maintenance. A private motorist driving all over East Anglia usually can’t.

That’s why most individual drivers should treat CNG as a niche option. Interesting, but rarely the easiest answer unless your circumstances are very specific.

Why misfuelling matters differently here

A CNG vehicle isn’t just a normal petrol car with a different badge. It has specialised storage and fuel delivery hardware built around high-pressure gas. That means the danger isn’t just “wrong liquid in wrong tank”. It’s misunderstanding a specialist system altogether.

Keep the basics simple:

• Never improvise with a CNG system: If something seems unclear, get a qualified technician involved.

• Maintain the backup fuel if fitted: Some dual-fuel vehicles rely on a conventional fuel tank as well.

• Check your refuelling options before ownership: A vehicle isn’t practical if you can’t confidently fuel it.

For most readers, CNG belongs in the “good to understand” category rather than the “likely next car” category.

8. Hydrogen Fuel Cell

Hydrogen fuel cell vehicles, often called FCEVs, are another form of electric motoring. The difference is that they generate electricity on board from hydrogen rather than storing all their energy in a large battery. The fuel cell combines hydrogen with oxygen to produce electricity, and the tailpipe output is water vapour.

The best-known examples are the Toyota Mirai and Hyundai Nexo. They drive with the quiet, smooth feel people associate with electric cars, but they refuel with hydrogen instead of plugging in for most energy needs.

For many drivers, hydrogen sounds like a future solution because it combines electric-style driving with quick refuelling. In practice, the main obstacle is still access. You need dependable hydrogen refuelling availability, and for most private motorists that remains a serious limitation.

What makes hydrogen different

A hydrogen vehicle doesn’t use a standard petrol forecourt setup. The tanks, connectors and refuelling equipment are specialised. That means ordinary pump confusion is largely designed out.

In that sense, hydrogen is unusual among the types of fuel for cars because the system itself prevents many of the classic mistakes. You’re not likely to absent-mindedly put petrol into a Mirai.

The practical ownership reality

Hydrogen only works if your route pattern and local infrastructure support it. For now, that makes it a very selective option rather than a broad recommendation for most households.

Some fuel types are technically impressive but still inconvenient in everyday life if the refuelling network doesn’t match how you drive.

The core practical points are straightforward:

• Check station access before buying: Refuelling convenience matters more than brochure appeal.

• Use manufacturer-approved servicing: Hydrogen systems are not for general experimentation.

• Don’t compare it to ordinary forecourt use: It’s a separate ecosystem with its own procedures.

Misfuelling in the classic sense is effectively prevented by design, but ownership still demands planning.

Car Fuel Types: 8-Point Comparison

Fuel / Powertrain	🔄 Implementation complexity	⚡ Resource requirements & efficiency	📊 Expected outcomes (impact) ⭐	Ideal use cases	💡 Key tips
Petrol (Gasoline)	Low 🔄, simple refuelling & infrastructure widely available	Moderate ⚡, lower energy density; frequent refuelling	⭐⭐⭐, Good performance and responsiveness; higher CO₂ per km	Everyday passenger cars; mixed urban/highway use	💡 Confirm fuel type; use 95+ RON if knocking; avoid misfuelling
Diesel	Moderate 🔄, common but requires DPF and cold‑start care	High ⚡, higher energy density; better mpg	⭐⭐⭐⭐, Superior fuel economy and torque; particulate/NOx concerns	Towing, long-distance, commercial fleets, high-mileage drivers	💡 Check cetane spec; maintain DPF; avoid petrol misfuel
Hybrid Electric (HEV)	Medium 🔄, integrates ICE + electric system; dealer servicing advised	Efficient ⚡, regenerative braking; small battery (1–5 kWh)	⭐⭐⭐⭐, 30–50% better fuel economy in urban driving; lower local emissions	Urban commuters with mixed routes; drivers wanting efficiency without charging	💡 Maintain battery health; service at hybrid‑trained centres; confirm fuel type
Plug-in Hybrid (PHEV)	Higher 🔄, larger battery + charging hardware; more complex systems	High ⚡, 20–50 miles EV range; needs charging infrastructure	⭐⭐⭐⭐, Zero‑emission short trips possible; reduced fuel use if charged regularly	Commuters with daily short trips and occasional long journeys	💡 Install home charger; plan routes for EV range; keep engine serviced
Battery Electric (BEV)	Medium 🔄, EV hardware simpler mechanically but requires charging setup	Very efficient ⚡, electricity cheaper; range 200–400+ miles; charging time varies	⭐⭐⭐⭐⭐, Zero tailpipe emissions; low running & maintenance costs	Urban/suburban drivers with access to charging; fleet electrification	💡 Install a home wallbox; preheat battery in winter; map chargers for trips
Liquefied Petroleum Gas (LPG)	Medium 🔄, requires certified conversion and dual‑fuel plumbing	Cost‑efficient ⚡, ~80% energy content of petrol; cheaper per mile	⭐⭐, Lower running costs and CO₂ than petrol; limited refuelling network	Taxis, fleet vehicles, high‑mileage drivers seeking running cost savings	💡 Use UKLPG installers; check insurance covers conversion; locate stations
Compressed Natural Gas (CNG)	High 🔄, high‑pressure hardware and specialist servicing	Efficient ⚡, lower fuel cost and emissions but bulky tanks	⭐⭐, Lower emissions and costs where refuelling exists; impractical widely	Commercial fleets or buses with dedicated CNG infrastructure	💡 Not practical for most UK private users; rely on certified technicians
Hydrogen Fuel Cell (FCEV)	Very high 🔄, specialised high‑pressure systems and certified maintenance	Fast ⚡, rapid refuelling (3–5 min); high energy density; scarce stations	⭐⭐⭐, True zero‑emission operation; long range; limited current viability	Early adopters with access to hydrogen stations; niche fleet pilots	💡 Verify station access before purchase; service only at certified centres

Don't Panic Your Guide to Misfuelling and Final Thoughts

Understanding fuel types is useful when you’re choosing a car, but it matters even more when something goes wrong on a forecourt. In the UK, the risk is still very real because the existing vehicle fleet remains heavily petrol and diesel based, even though electrified options are growing. The car you drive might be familiar, but one distracted minute at the pump can still create a serious problem.

Misfuelling doesn’t only happen to careless drivers. It happens in loan cars, company vehicles, newly purchased used cars, family cars shared between drivers, and early-morning refuels when routine takes over. The right response isn’t panic. It’s stopping the damage before the fuel circulates.

A special note on AdBlue contamination

AdBlue is separate from fuel. It’s a diesel exhaust fluid used in many modern diesel vehicles to reduce harmful emissions, and it usually has its own filler cap, often blue. That cap may be near the main filler, which is one reason mistakes happen.

If AdBlue goes into the diesel tank, it can cause severe contamination. The issue isn’t that the car might “burn through it”. It won’t. The fluid can crystallise inside the fuel system and damage components that are expensive to replace.

The UK-specific fuel context also causes confusion in other ways. UK guidance notes that some common search results are heavily US-focused and often miss local issues such as compulsory E10 petrol at UK pumps since September 2021, which can confuse drivers of older incompatible vehicles, as explained in Kelley Blue Book’s broader fuel guide context. Different labels, changed blends, and unfamiliar vehicles all increase the chance of mistakes.

What to do the moment you realise

If you’ve put petrol into a diesel, diesel into a petrol, or AdBlue into the fuel tank, your next steps matter more than anything else.

1. Do not start the engine. Don’t press the start button. Don’t turn the key to ignition. The goal is to stop the wrong fluid circulating through the system.

2. Put the car in neutral if needed. That makes it easier to move safely.

3. Tell the petrol station staff. They can help you keep the vehicle out of the way and reduce risk on the forecourt.

4. Call a specialist wrong-fuel service. Draining fuel yourself is dangerous, messy, and can create environmental and fire risks.

5. Don’t try to dilute the error. Adding more of the correct fuel usually doesn’t solve the problem.

6. If the engine has already run, say so clearly. The technician needs to know whether contamination has circulated.

The safest first move is often the simplest one. Stop, switch off, and get proper help.

There’s another reason to act quickly with diesel-related problems. UK context provided in the verified brief states that diesel-in-petrol incidents account for a large share of misfuelling cases, and that unflushed diesel contamination in petrol engines can foul injectors within a short distance if the vehicle is driven. That’s exactly why immediate shutdown matters.

For drivers in Suffolk and across England, Misfuelled Car Fixer is one relevant option for on-site assistance with wrong-fuel incidents and AdBlue contamination. The service operates as a mobile emergency fuel drain provider, so the practical aim is to come to the vehicle, drain and flush the contaminated system, and help limit further damage.

The wider lesson is simple. Different fuels suit different drivers. Petrol remains the familiar all-rounder. Diesel still suits many long-distance and commercial uses. Hybrids and plug-in hybrids blend old and new. Battery electric cars remove liquid-fuel errors altogether. LPG, CNG and hydrogen each have more specialised use cases.

But whichever vehicle you drive, the first safety rule never changes. Check before you pump. If you make a mistake, don’t try to drive it away and hope for the best. Fast, calm action usually gives you the best chance of avoiding a much larger repair bill and a much worse day.

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If you’ve put the wrong fuel in your car or added AdBlue to the fuel tank, contact Misfuelled Car Fixer. They provide a 24/7 mobile wrong-fuel drain service across Suffolk and the wider England area, with support for petrol-in-diesel, diesel-in-petrol, and AdBlue contamination.