Join What Car? associate editor Roger Stansfield and consumer reporter Will Nightingale as they go head-to-head in the inaugural What Car? Eco rally.
Driving from Brighton seafront to London's City Hall, Will and Roger have the task of seeing which of their cars, a Fiat 500 1.2 Start&Stop and Volkswagen Polo Bluemotion, can get closest to its official combined fuel economy cycle.
Gentlemen… turn off your air-conditioning, lights, stereo…
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