Mayor of London, Sadiq Khan is continuing to make cleaning London’s foul air his signature policy. He is calling on vehicle manufacturers to contribute to his Air Quality Fund over the negative effects their diesel vehicles have on air quality and public health in the capital. Khan has written to UK chiefs at BMW, Mercedes-Benz and Volkswagen urging them to take serious action on diesel emissions. The manufacturers have already contributed up to £223m to the German government’s ‘Sustainable Mobility Fund for Cities’ and the mayor is now urging them to take action in London and the UK. He has also written to the Secretary of State for Transport, Chris Grayling, as part of his continued lobbying of central government to do more to tackle what he describes as the “biggest environmental public health crisis of a generation”. He is calling on the authorities to secure contributions from vehicle manufacturers on the same scale as the £24bn received from Volkswagen (including fines, compensation and other settlements) in the US and £223m from German car manufacturers …