Quote:
Originally Posted by liljestig
Does EPA take into consideration real-life factors like the brake energy regeneration, or start and stop?
To my knowledge none of the US competitors has these features, and the strong lobbyism from Ford, Honda, Toyota and GM probably demanded EPA to re-run the BMW 328i tests (with those features disabled) so that their own products doesn't look as bad.
However, in real-life, most likely are those figures closer to the BMW stated ratings, when driving 'normally' under every-day circumstances.
Dan
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The answer to your question is yes. The cars are tested under conditions that approximate real world driving scenarios. See this link:
http://www.fueleconomy.gov/feg/fe_test_schedules.shtml
(Thanks to Sunny5280 on Bimmerfest for the link).