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Originally Posted by Schwa
The tests are JUST as flawed for conventional cars. The ONLY use for the EPA numbers is for comparing car to car differences, there's no point in expecting the FE of what the EPA measures for any vehicle. In the real world you will sometimes drive around and end up with less battery level than you started out with, so once again the tests may reflect what can happen in the real world. I agree they should change the tests, especially in light of their own measured discrepancies between real world and tests, but that goes right across the board, not just for hybrids.
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Not really......Here's why not....
If a Prius drives 31 minutes, averaging 20
MPH, the MPG will be WAY SKEWED HIGH because of the use of the battery to drive the car, thus creating ZERO carbon emissions when the car is in electric mode. That's a HUGE advantage for the Prius in *THAT SPECIFIC SMALL TEST* which WILL NOT bear up over the long haul of a tank, unless, like I said, your normal commute mimics the test almost exactly.
If a conventional car (say a Camry) drives 31 minutes, averaging 20
MPH, the car will emit carbon the ENTIRE TIME, meaning the MPG will be more realistic to stretch over the entirety of a tank.
So, yes, the test is flawed for both, but MORE flawed for the HEV because of the time spent emitting ZERO carbons. See?
