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Old 10-15-2012, 08:26 PM   #2 (permalink)
GRU
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Join Date: Oct 2011
Location: Windsor ON Canada
Posts: 373

silver bullet - '00 Honda Civic
90 day: 34.41 mpg (US)
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I think the issue was since the engine was off for a long period of time (while coasting) the engine, when re-started would pollute more (catalitic cold) than it would if the engine was previously running because the catalitic converter would have been hot
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