Diesel engines

Unused equipment to be donated to heritage railway

Workshop converts diesel buses to use battery power

Railway's 50th anniversary starts with diesel gala

Plan to test diesel car emissions - court told

Tax rise for high polluting cars to help bus fares

Council mulls diesel bin lorries amid grid concern

ULEZ expansion is anti-worker, Unite says

Fears as emissions zone expands to London boundary

Bin lorries to run on recycled vegetable oil

Fuel costs see London cabbies at standstill at ranks

'UK first' in Tesco's carbon reduction push

New red diesel law will cost builder £200k a year

Public sector reliant on petrol and diesel cars

In View. Men of Steam. Video, 30 minutesIn View

'All children have the right to breathe clean air' Video, 00:01:14'All children have the right to breathe clean air'

Drivers 'will have to pay' to enter clean air zone

UK's nuclear future to be decided at key meeting

Fiat offices raided over diesel emissions claims

Lawsuit alleges defeat devices in Nissan petrol cars

Businesses urge city centre diesel ban rethink

Train fumes fear over staff cancer diagnoses

Video highlights 'toxic fumes' at a rail depot. Video, 00:00:14Video highlights 'toxic fumes' at a rail depot

European cities grapple with dangerous smog levels