Getty Images Enlarge Adrian Newey has questioned the green credentials of Formula One's new power units, arguing the sport's resources could have been better spent elsewhere. The new turbocharged V6 engines and energy recovery devices are limited to 30% less fuel than last year's naturally aspirated V8s, and have been championed as being more efficient. The theory is that the hybrid technology explored under the new regulations will trickle down to road cars, but Newey highlighted a wider debate in the motor industry about whether hybrid and battery powered cars are really the way forward. "When you get into things like batteries then an electric car is only green if it gets its...
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