View Single Post
Old 01-14-2015, 05:45 PM   #24 (permalink)
some_other_dave
Master EcoModder
 
Join Date: Jul 2008
Location: Silly-Con Valley
Posts: 1,435
Thanks: 182
Thanked 231 Times in 179 Posts
Quote:
Originally Posted by jeff88 View Post
Would the car get better gas mileage with the alternator on rather than off, since the BSFC is in a better range?
No. You're making more power with the alternator on, so the total consumption goes up. The consumption per horsepower generated goes down, but the overall consumption goes up. (There may be exceptions, but I'm thinking they are very rare.)

-soD
  Reply With Quote