Noticing a sweet smell from your diesel exhaust? It could signal a serious issue—here’s what it likely means and what to ...

More torque and better fuel economy may have you ditching gas for diesel, but despite a reputation for reliability, that ...

If you drive a petrol or diesel car there is one immediate warning sign of engine issues that experts are telling motorists ...

Petrol and diesel drivers could be at risk of serious engine damage if they notice white smoke coming from their car, motoring experts have warned. While some exhaust smoke is normal, particularly ...

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When a diesel-engined car is only used for short journeys ... emissions — on older diesels that soot was often visible in the form of plumes of black exhaust smoke under acceleration. Two types of ...

During normal operation, the emissions from a car's tailpipe should be invisible ... If your engine is burning enough oil to produce visible exhaust smoke, the oil level will drop over time ...