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Old 06-06-2010, 11:39 AM   #3 (permalink)
hyperme
EcoModding Lurker
 
Join Date: Jun 2010
Location: Milwaukee
Posts: 16

Lex Luthor - '10 Lexus HS250h
90 day: 70.18 mpg (US)
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I would think in all situations, b) would definitely be the best. Whether a) or c) is better has been an ongoing debate and depends an the circumstances, the primary one of which I believe is speed. This assumes your a/c is working properly.
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