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Old 03-15-2011, 06:15 PM   #40 (permalink)
roflwaffle
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Join Date: Dec 2007
Location: Southern California
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Camryaro - '92 Toyota Camry LE V6
90 day: 31.12 mpg (US)

Red - '00 Honda Insight

Prius - '05 Toyota Prius

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Quote:
Originally Posted by darcane View Post
Useful info about gas engines...

But keep in mind this thread is all about a Dodge truck with a Cummins Diesel... No throttle, no high manifold vacuum...

Mike
All engines, at least as far as I know, experience a drop in efficiency versus load. A 5.9L Dodge diesel for instance is at ~400+g/kWh at 25% load and drops to ~200+ g/kWh at 75% load.

http://www.eere.energy.gov/vehiclesa...er_boehman.pdf
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