False emissions ratings cost UK more than £2bn a year – report

Some new diesel models emit 12 times legal limit, while others 'are the cleanest cars on the road'

False emissions ratings for cars based on lab tests have cost the UK more than 2bn a year in lost tax revenue, according to the Green party.

With CO2 emissions exceeding official measures by an average of 42%, millions of vehicles have been placed in tax bands that do not reflect their true levels of pollution, according to new research published on Saturday.