Have you ever filled up your gas tank, only to drive by another gas station mere blocks away with significantly reduced prices? Kinda makes you twitch with anger and remorse, huh?

Well, twitch no more my friend. Visit Gasbuddy.com to be the first in line at the cheaper stations.

According to Gasbuddy, prices can fluctuate up to 20% within just a few blocks, so it pays to know your options. They show you where to fill up for less throughout Canada and the US, complete with maps and even some gas-saving driving tips.

For example, did you know that the air conditioner puts extra load on the engine forcing more fuel to be used (by about 20%)? The defrost position on most vehicles also uses the air conditioner. You can find 9 other handy gas-saving tips on their site here.

With deals and maps, point systems and helpful tips, Gasbuddy is a handy tool for any driver looking for the most frugal way to buy gas.

(Disclosure: I have no affiliation with Gasbuddy whatsoever).