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Common misconceptions about the EPA test
Guys, the EPA mileage test has not fundamentally changed since it was first instituted in 1975.
What has happened is that in 1985 and 2008 the EPA has appled "reduction factors" to make the mileage more realistic.
Look at that paper that I linked to, they discuss the 1985 reductions.
The CAFE standards written into law use the original 1975 standard, BTW. So my Saab 9-3 2.0T, which got 28 mpg under the 2007 standard and gets 26 mpg under the 2008 standard, has a CAFE number of 34 mpg.
Neither here nor there, but I did want to clear up that misconception.
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