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Railways: Air Pollution

Volume 459: debated on Wednesday 25 April 2007

To ask the Secretary of State for Transport what estimate has been made of the potential change in carbon dioxide emissions of operating longer trains. (133479)

The Department has not made such an estimate. However, the Department recognises the carbon advantages that longer trains offer compared to other modes in meeting underlying demand. Based on average occupancy levels, trains produce around half the carbon emissions of cars per passenger kilometre.