Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Why are tractor-trailer rig so much more fuel efficient

greenitup · 09-05-2008, 04:02 PM

well the frontal area is bigger but isn't 10 X bigger, also when you have 8 gears (think that is the amount) you don't get high rpm's

09-05-2008, 04:02 PM	#12 (permalink)
greenitup EcoModding Apprentice Join Date: May 2008 Location: connecticut Posts: 129 Truck - '97 Ford Ranger 90 day: 30.32 mpg (US) Thanks: 0 Thanked 0 Times in 0 Posts	well the frontal area is bigger but isn't 10 X bigger, also when you have 8 gears (think that is the amount) you don't get high rpm's __________________