air quality

International Council on Clean Transportation says EU-wide testing body would stop car manufacturers gaming the system

Boris Johnson pledges 40,000 more ‘pollution-busting' trees for London

Government failure to act 'immediately' to Supreme Court's April ruling puts it in breach of legal decision, argues ClientEarth

EU experts support doubling of legal limit of nitrogen oxide emissions allowed under Euro VI, as MEPs approve new air pollution targets

MEPs outraged as biggest three European countries push for watered down nitrogen oxide targets ahead of crucial EU vote

New hybrid black cab will hit London roads in 2017, a year before all taxis required to be capable of 'zero emissions' motoring

Four Toyota Mirai's will be used by Transport for London, with eight going to private businesses

Head of Volkswagen's UK operation apologises for scandal, saying a third of vehicles to be recalled in Britain need significant repairs

Five mayoral candidates including Goldsmith and Khan also supported pedestrianising Oxford Street

News comes as MEPs ask Industry Commissioner Elżbieta Bieńkowska to clarify if emissions rigging has taken place in Europe