Is supermarket petrol bad for my car? [more inside]
posted by Lorc on Aug 30, 2009 - 14 answers

What's the fairest way to split gasoline and other costs between riders on a roadtrip? [more inside]
posted by biwa-shu on Jun 23, 2008 - 12 answers

You are an employee of a non-profit organization. You drive a lot. Your non-profit organization re-imburses you 13c per mile--no it's not a lot, but we all must suffer for the cause. But something you hear bothers you. [more inside]
posted by lockse on Dec 1, 2006 - 12 answers

What's a (cheap) rental car that will get me great gas mileage in CA? [more inside]
posted by Joseph Gurl on Sep 21, 2005 - 14 answers