View Single Post
Old 08-08-2012, 04:05 PM   #27 (permalink)
RiceCake
EcoModding Lurker
 
Join Date: Mar 2012
Location: Earth
Posts: 27

Breeze - '97 Plymouth Breeze
90 day: 23.1 mpg (US)
Thanks: 2
Thanked 16 Times in 8 Posts
Quote:
Originally Posted by ecomodded View Post
Coast down a secluded hill from a set starting point, till you reach a stop,mark the spot. Repeat it in neutral , repeat it all again. Then crunch the numbers.
In neutral is essentially guaranteed to coast further but proves nothing. The real test would be to see if the extra fuel needed to idle the engine while in neutral is /less/ then the fuel saved by driving the engine with the transmission in gear.
  Reply With Quote