Quote:
Originally Posted by Hersbird
The problem is not just the size it is the power they put into cars and SUVs. If the power is there both the EPA test and the general consumer uses it. That's why they should allow epa testing with an "eco" mode active. Then makers could show how a detuned, short shifted, powerband helps MPG. Then the consumer would be more likely to activate it as well.
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Eco modes do nothing of note. The EPA tested a BMW in 400 and 500hp modes and found no difference. I have two cars with Eco modes and all they do is force you to use more revs (you can't de-tune AND short shift). For average Joe they might help, but that's only as they reduce leadfootedness which isn't part of the EPA testing anyway.