Sales mandate is needed for manufacturers as strong demand for electric urban buses is not being matched by supply. Only clean, zero-emissions buses should be sold in Europe by 2027, 11 cities, including Paris, Hamburg, Barcelona and Milan, have told EU lawmakers. In a letter today – which is also signed by civil society groups from 11 countries [1] – they say an EU sales target for urban buses is needed to ensure a supply of green vehicles for cities and towns trying to clean up their air and put public transport on a path to zero carbon emissions. (....)