Sadiq Khan

Capital's entire bus fleet will reach Euro VI emission standard as a minimum by 2020 under City Hall retrofit programme

Mayor of London wants urgent meeting with new environment secretary to press for action on toxic air quality

Wide-ranging new strategy promises huge expansion of cycle network and the delivery of a zero emission transport network by 2050

Owners of the dirtiest cars to face charges of up to £24 for driving in Central London in bid to halve pollution from road transport

Sadiq Khan and Anne Hidalgo announce plans to develop vehicle ratings based on their real world emissions

GLA Conservatives call for ULEZ exemptions for fire, police and ambulance fleets to minimise cost impact for emergency services

As part of the latest front in Sadiq Khan's war on air pollution only the cleanest buses will be allowed to use Putney High Street

London mayor urges government to take action, saying pledged settlement in emissions cheating scandal is far too low

New Transport for London business plan to increase spending on improving air quality to £875m over five years

Mayor's Office says new £154m a year investment plan for cycling represents nearly double the amount spent under Boris Johnson