Darren Cassey profile picture Darren Cassey 6 years ago

Trying To Hypermile A Hummer Just Proves It's The Ultimate Gas Guzzler

Doug DeMuro owns a Hummer, and decided to see just how (un)economical it really is. Under normal driving conditions he manages around 11mpg, but can a few streamlining modifications improve his fuel economy?

Remind me later