Tuesday, 29 July 2014
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Turning down the heat

London’s Tube is the oldest in the world, and in terms of how hot it gets underground in summer it shows. Jon Excell reports on how London Underground is spearheading an initiative aimed at cooling the system.

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Digital Edition

The Engineer July Digi Issue

Poll

London Mayor Boris Johnson is lobbying for a £10 additional charge for diesel cars to drive into Central London by 2020, and for road tax on diesel cars and all pre-2006 cars to be increased, to counter air pollution. What option most closely matches your opinion on this?

Previous Poll

Europe's largest tidal array in the Pentand Firth off Orkney will eventually generate up to 86MW of power. What will it take for tidal energy to make an appreciable contribution to the UK's energy needs?

Read and comment on the results here