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SecondWind · 08-23-2012, 10:07 AM

As always, pick a day with moderate temps (or late at night), and run a mileage test with and without the windows open. Then you can answer the question for all of us!

08-23-2012, 10:07 AM	#4 (permalink)
SecondWind EcoModding Lurker Join Date: May 2012 Location: Delaware, Ohio, USA Posts: 24 Bluemobile - '11 Honda CR-Z EX Thanks: 0 Thanked 21 Times in 4 Posts	As always, pick a day with moderate temps (or late at night), and run a mileage test with and without the windows open. Then you can answer the question for all of us!