If you need a better reason to start scooting about by bicycle-or if you're already a die-hard cyclist, to gloat-visit GasBuddy's U.S.A. Gas Temperature Map, a color-coded schematic that gives you an overview of what gas prices are like around the country, based on data gleaned from a network of volunteer gas-price spotters.
It doesn't look like the upward trend is backing down any time soon, according to the Web site's Historical Price charts. Meanwhile, for the times when you need to get behind the wheel, learn how you can get better gas mileage. Want to save even more gas? Find out how you can become a "hypermiler" with our fuel-sipping tips.
Difficulty level: Easy