View Single Post
Old 04-03-2011, 09:32 PM   #10 (permalink)
Master EcoModder
JasonG's Avatar
Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 726

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
Thanks: 107
Thanked 54 Times in 50 Posts
Originally Posted by jamesqf View Post
If you're just comparing chemical energy, you need to also add in the weight of the oxygen from the air that's going into the chemical reaction, which IIRC is about 4:1 by weight. So if you had to carry around your own oxygen instead of getting from the air, you'd need (I think) about 35 lbs/gal.
Obviously missed expecting that when I typed post #6

I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
  Reply With Quote