Question to the Department for Transport:

To ask the Secretary of State for Transport, what discussions he has had with the (a) Mayor of London, (b) Transport for London and (c) the Port of London Authority on encouraging the use of 100 per cent renewable diesel by scheduled Thames passenger services and other commercial river traffic.

The responsibility for transport in London is devolved to the Mayor of London and Transport for London, and the Thames in London is managed by the Port of London Authority.

Officials have regular discussions with the Port of London Authority on environmental issues, these have focused on advanced fuels such as hydrogen and ammonia, as well as the use of battery electric vessels to address both air pollution and decarbonisation.