I did the math comparing NICE-on coasting with FASing, and idling while coasting can drop mileage from 60 mpg to 40 mpg. It's going to be worse when you're not even moving.
I found on my cross-country trip that shutting the engine off, but leaving the fan on, kept me cool through even 5 minute stoplights in FL and TX in my Scion. My Nissan isn't as effective, so 3 minutes is about the comfort limit.
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Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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