File under: the internets
My Mile Marker . com is a great way to keep track of your car’s fuel economy (or lack thereof). I know these things can be accomplished in spreadsheets, but it’s nice to have someone else take the headache out of it for you, plus there are neat graphs to view once you establish your MPG (ie, fill your tank more than once, consecutively). And, we all know that if your MPG is decreasing, something is wrong with your car. So give it a go, and help the planet a bit while you’re at it!