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Fuel, Emissions & Running Costs

Browse evidence-led Fuel, Emissions & Running Costs guidance for UK drivers, including symptoms, safe pre-checks and suitable next steps.

423published guides
13practical topics
15+years' experience

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Fuel, Emissions & Running Costs

Search by symptom, warning light, service or vehicle. Every guide includes practical context and routes back to relevant professional help where appropriate.

Showing 1–12 of 15 guides in Fuel, Emissions & Running Costs Choose a guide to read the full advice.
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A close up of a fuel pump nozzle at a filling station, illustrating a misfuelling risk
Fuel, Emissions & Running Costs

Put the Wrong Fuel In Your Car? Here’s What to Do Next

Updated 7 Aug 202610 min read
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Illustration for: DPF Explained: What a Diesel Particulate Filter Actually Does
Fuel, Emissions & Running Costs

DPF Explained: What a Diesel Particulate Filter Actually Does

Updated 7 Aug 202610 min read
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Close up of an EGR valve removed from a diesel engine showing carbon build-up
Fuel, Emissions & Running Costs

What Is an EGR Valve and Why Do They Fail?

Updated 7 Aug 202610 min read
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Illustration for: Why Your Fuel Economy Gets Worse As Your Car Gets Older
Fuel, Emissions & Running Costs

Why Your Fuel Economy Gets Worse As Your Car Gets Older

Updated 7 Aug 202610 min read
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Fuel economy gauge on car dashboard
Fuel, Emissions & Running Costs

Fuel Economy & Emissions: What Actually Affects Your Running Costs

Updated 7 Aug 202610 min read
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Close-up of an intricate sports car engine showcasing technology and engineering — SSK Mechanics guide to Fuel Injectors Explained: Why They Get Dirty and What It…
Fuel, Emissions & Running Costs

Fuel Injectors Explained: Why They Get Dirty and What It Costs You

Updated 7 Aug 202610 min read
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Illustration for: NOx Sensors and AdBlue: How Your Diesel Keeps Emissions in Check
Fuel, Emissions & Running Costs

NOx Sensors and AdBlue: How Your Diesel Keeps Emissions in Check

Updated 7 Aug 202610 min read
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A turbocharger and boost control solenoid in a car engine bay
Fuel, Emissions & Running Costs

Turbo Boost Problems: Understanding the Boost Solenoid and Actuator

Updated 7 Aug 202610 min read
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A mechanic examines a Volkswagen engine in a garage setting, focusing on car maintenance — SSK Mechanics guide to The Real Cost of Running a Car: Beyond Just Fuel
Fuel, Emissions & Running Costs

The Real Cost of Running a Car: Beyond Just Fuel

Updated 7 Aug 202610 min read
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Detailed view of a diesel car badge with blurred background, captured in Prague — SSK Mechanics guide to Short Journeys and Your DPF: Why Stop-Start Driving Causes…
Fuel, Emissions & Running Costs

Short Journeys and Your DPF: Why Stop-Start Driving Causes Problems

Updated 7 Aug 202610 min read
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Scenic urban street view with parked bicycles and lush trees on a calm autumn day — SSK Mechanics guide to Clean Air Zones Explained: What UK Drivers Need to Know
Fuel, Emissions & Running Costs

Clean Air Zones Explained: What UK Drivers Need to Know

Updated 7 Aug 202610 min read
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A driver changing gear smoothly with the fuel gauge visible on the dashboard
Fuel, Emissions & Running Costs

Does Your Driving Style Really Affect Fuel Economy?

Updated 14 Aug 202610 min read
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