Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Does fuel economy get better with altitude?

ConnClark · 07-07-2009, 01:57 PM

Not only does power drop with altitude but engine efficiency does as well. It all comes down to whether the drop in aerodynamic drag is greater than the drop in engine efficiency. I would tend to doubt this is the case though.

07-07-2009, 01:57 PM	#14 (permalink)
ConnClark DieselMiser Join Date: Jun 2008 Location: Richland,WA Posts: 985 Das Schlepper Frog - '85 Mercedes Benz 300SD 90 day: 23.23 mpg (US) Gentoo320 - '04 Mercedes C320 4Matic 90 day: 22.44 mpg (US) Thanks: 46 Thanked 232 Times in 160 Posts	Not only does power drop with altitude but engine efficiency does as well. It all comes down to whether the drop in aerodynamic drag is greater than the drop in engine efficiency. I would tend to doubt this is the case though. __________________