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View Diary: The Economist on oil (III) - slamming the energy bill (102 comments)

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    the CAFE standards should be updated. The current "city" test has an average speed of about 20 mph, and is pretty unrealistic because it has long (over a mile) runs mixed with long stops. It's not really representative of heavy stop-and-go traffic. And the "highway" test has an average speed of around 48 mph, with short bursts to 60, reflecting the 55 mph speed limit in effect back in the 1970s.

    There is another standard test, the "US06 Aggressive Driving Cycle" that is much more representative of what you might call normal driving. The US06 test is so aggressive that some cars can't keep up with the acceleration requirement. Since 2000, cars have gone through this cycle, but the EPA doesn't currently require the results to be published.
    http://www.dieselnet.com/standards/cycles/ftp75.html

    A simple thing that the Democratic party could support would be to add the US06 driving cycle to the published CAFE results. Here's a link to how some hybrids were tested in this environment
    http://www.ctts.nrel.gov/analysis/hev_test/procedures.shtml

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