At the Drive $marter Challenge website -- www.drivesmarterchallenge.org -- you can find out exactly how many hundreds of dollars you can save annually on gasoline with your specific vehicle by taking six easy driving and maintenance actions. The website calculates savings in dollars, gallons, and CO2 emissions of all who choose to take the challenge (take 1-6 actions) and also keeps a running tally of cumulative savings of all who have taken the challenge. The website also provides extensive money-saving gas tips in English and Spanish, helpful resources (renting a fuel-efficient car, finding cheaper gas near your home and on your vacation route, public transportation options wherever you go), and myth busters.