Whitmarsh: Greener engines key for F1

McLaren team principal Martin Whitmarsh believes the move to more environmentally-friendly engines from 2014 is a vital step for Formula 1 - despite the increased costs it means for those involved in the sport. Engine manufacturers are currently locked into development programmes for the new 1.6-litre turbo-charged V6 power units, with its costs set to be passed on to its customer teams at the start of the new engine formula era.

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