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

Question about cruise control vs. a special acceleration/coasting technique in terms of fuel efficiency. [more inside]
posted by Quarter Pincher on Jun 14, 2007 - 11 answers

Why is Wyoming the cheapest US state for gas right now and why does this map of gas prices look strangely similar to the 2004 voting maps? [more inside]
posted by p3t3 on Apr 28, 2006 - 22 answers

All about gasoline. [more inside]
posted by grateful on Apr 26, 2006 - 26 answers

When I gas up my car, I don't squeeze the lever on the pump handle, but, instead, I slide the lever into the little notch so that my tank will fill itself up while I squeegee the windows. When the tank is full, the pump shudders, the lever dislodges itself, and the filling ceases. However, probably half of the time, the filling ceases much, much too early. The result is that I can't tell when my tank is full, nor can I squeegee while my car fuels itself. What gives? [more inside]
posted by waldo on Apr 25, 2005 - 25 answers

Is there such a thing as "bad" gasoline and can it mess up your car? (+) [more inside]
posted by mygothlaundry on Jan 21, 2005 - 40 answers