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Old 06-23-2014, 01:32 PM   #14 (permalink)
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Originally Posted by HyperMileQC View Post
Are you reffering to NOx purge cycles (50-60 mpg spells)?
No, it's things like headwinds, rough pavement, or very slight slopes. For instance, the road I take into town follows the valley of a creek, and drops an almost imperceptible* 100 ft or so in 5 miles. In warm weather, I'll get 100+ mpg going in, but 50-60 coming back.

*Unless you're biking - or driving an Insight :-)
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