
New car emission tests uncover some big polluters
New organisation Green NCAP has launched today – it’s a European consortium that publishes independent emissions and fuel efficiency results. It’s released results for 12 cars and the biggest polluter...

Which? tests reveal the most polluting cars and the most economical
We've discovered diesel cars that produce fewer harmful NOx emissions than the average petrol car. Plus two petrol-hybrids that are as fuel efficient as a diesel car on the motorway.

Audi emissions recall: UK cars affected
Two weeks after Audi was ordered to recall thousands of its vehicles by German automotive watchdog KBA, Audi has now confirmed to Which? that UK car owners are also affected....

T-charge now in force: £21.50 to drive in London
Drivers of older petrol and diesel cars will now be charged £21.50 to drive into the centre of London. The T-charge (also known as the Toxicity charge or Emissions Surcharge)...

Volkswagen the latest carmaker to introduce new 2017 scrappage scheme
Volkswagen joins a host of other car manufacturers in offering discounts to drivers looking to trade in their older, more polluting diesel vehicles.

Sales of petrol and diesel cars to be banned by 2040
Sales of new petrol and diesel cars will be banned from 2040 as part of an ongoing effort to improve the UK’s air quality. The UK government has published its...

Mercedes recalls 3 million diesel cars to tackle emissions
Mercedes-Benz is to start a recall of almost every new diesel car bought in the UK over the past six years in a bid to reduce NOx output.

Election 2017: what do the manifestos mean for motorists?
The election is just over a week away and all the major parties have delivered their manifestos. With emissions and air-pollution at the forefront of people's minds how does each party hope to combat these issues and how will it affect UK drivers?

Which? tests reveal the worst diesel cars for air pollution
Despite officially meeting official emission limits, NOx emissions from the 16 Renault diesel cars we tested are seven times higher than the Minis tested. There are emission laws in place across...