Quote:
Originally Posted by Dragoneye
The thing that GM's got going for them, is E85, and the Volt.
There is a loophole in the current law, that is likely to carry over to the new law that offers..."protection"...from the law for vehicles that can run off of E85. It gives an E85 vehicle soemthing like a 45mpg rating, instead of it's normal lower rating. Sooooo, GM's has millions of vehicles on the road that can run E85 - that helps.
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The way I understand it is that when calculating CAFE the cars that can burn E85 are assumed to burn E85 some portion of the time (1/4? 1/3?) and only the petrolium derived 15% of the E85 counts.
So if I had an SUV that gets 20mpg and can burn E85, then it technically gets 133 miles per gallon
of gasoline when it burns E85 and the SUV's mileage for CAFE is somewhere between 20 & 133.