Vehicle window stickers, fuel economy standards and even life cycle studies offer incomplete efficiency estimates for vehicles because they often fail to account for driving conditions, a Carnegie Mellon University analysis has found. Researchers concluded that driving patterns have a substantial effect on the economic and environmental benefits of electric vehicles.
CMU researchers Orkun Karabasoglua and Jeremy Michalek compared hybrid, extended-range plug-in hybrid and battery electric vehicles for their potential to reduce lifetime cost and life cycle greenhouse gas emissions under various scenarios and simulated driving conditions with findings including:
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