Train Journeys (Environmental Impact)

Transport written question – answered on 24th November 2005.

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Photo of John Hemming John Hemming Liberal Democrat, Birmingham, Yardley 24th November 2005

To ask the Secretary of State for Transport what assessment he has made of the environmental impact of a journey between London and Birmingham by (a) an electric train, (b) a diesel train and (c) a car.

Photo of Derek Twigg Derek Twigg Parliamentary Under-Secretary (Department for Transport) 24th November 2005

The following table compares total emissions of CO 2 ,the main greenhouse gas, and NOxand PM 1 0 the two pollutants of most concern to local air quality, for representative electric and diesel trains and a car travelling between London and Birmingham. Two sets of figures are provided, one detailing the total emissions for the journey, the other detailing emissions per passenger journey assuming average vehicle loadings.

CO 2 (kg) NOx (g) PM 1 0 (g)
Total journey emissions
Electric train 2,020 4,320 129
Diesel train 1,270 10,800 202
Car 34.2 61.5 2.6
Emissions per passenger
Electric train 5.9 12.5 0.4
Diesel train 9.7 82.9 1.5
Car 21.7 38.9 1.6

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