Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - I'd like to add sound deadening material to my car. How adversely will it affect MPG?

HiFlite · 10-25-2015, 02:57 PM

The EPA states a 1% reduction in mpg per 100 lb increase in weight for a ~3200 lb car.

Based on this study: http://www.drivealuminum.org/researc...ardo-Study.pdf

Which is an awesome read btw. See page 24 for your answers.

10-25-2015, 02:57 PM	#29 (permalink)
HiFlite EcoModding Lurker Join Date: Dec 2014 Location: Michigan Posts: 34 Thanks: 1 Thanked 26 Times in 17 Posts	The EPA states a 1% reduction in mpg per 100 lb increase in weight for a ~3200 lb car. Based on this study: http://www.drivealuminum.org/researc...ardo-Study.pdf Which is an awesome read btw. See page 24 for your answers.