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Old 07-10-2007, 06:16 PM   #1 (permalink)
Jonathan
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Join Date: Dec 2006
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Default "I'm driving everywhere twice as fast so I use less gas"

Was anyone else watching the UK Live Earth as amused by Brit comedian Jimmy Carr's above comment as I was?

Today though, I'm very tired, and not quite thinking straight, and a question popped into my head: is it really so stupid? Sure, going faster uses more gas, as more engine power is required to accelerate to higher speeds. But once at those speeds, one can go into a higher gear and cruise, using less engine power, thus less gas.

So: does driving faster actually help the environment? :-)

Or at least use marginally less gas in the long-run. Any physicists / mechanics wanna help out?
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