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ATLANTA--Gas prices are up again!Here are three gas savings tips to keep in mind.

Check your tire pressure:The U.S Energy Department says if its too low you're consuming extra fuel.

Get all that junk out of the trunk: an extra hundred pounds in your car decreases your fuel efficiency by about two two percent according to the Federal Trade Commission.

And be smart with your smart phone: InstallGas Buddy andCheap Gas.Both apps are free and will find the least expensive gasoline in your location.