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Old 01-19-2009, 12:03 AM   #4 (permalink)
Master EcoModder
roflwaffle's Avatar
Join Date: Dec 2007
Location: Southern California
Posts: 1,490

Camryaro - '92 Toyota Camry LE V6
90 day: 31.12 mpg (US)

Red - '00 Honda Insight

Prius - '05 Toyota Prius

3 - '18 Tesla Model 3
90 day: 152.47 mpg (US)
Thanks: 349
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My bets on cylinder deactivation, and dammit, I'd bet my left nut that even a full size truck could get ~35mpg at 55mph w/ the Phil Knox aero treatment, LRR tires, and some way to manually actuate the cylinder deactivation doohickey.
My 2008 Chevy Tahoe has the Eaton Active Fuel Management system (internally called "Displacement on Demand"). After 24k miles, and using the ecm provided instant fuel economy, I can see the change from 18 to 26 mpg on a flat road at 55 mph very day, both directions. This includes trailer towing(boat and hay delivery).
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