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Old 11-20-2016, 03:36 PM   #5 (permalink)
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Join Date: Dec 2011
Location: Vermont
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Gaptooth (retired) - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 54.26 mpg (US)

Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

Connect - '15 Ford Transit Connect XL
90 day: 20.08 mpg (US)

K-sight - '00 Honda K-sight
90 day: 38.29 mpg (US)
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Some of the rules that apply to gas engines don't apply as well to diesels. Gas engines are most efficient at high throttle (accelerating briskly) in part because closing the throttle plate and generating vacuum robs power and efficiency from the engine. While some do, many diesel engines don't have throttle plates, and a better rule to follow is just to keep RPM down.

You might want to check this thread out:
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