Start your computers and let the adventure begin! XRT: eXtraordinary Road Trip is an educational computer game designed to teach players how to analyze the transportation variables affecting air quality. XRT is thought-provoking, competitive, and fun edutainment for drivers of all ages. Order your free copy today! Note to current users: an upgrade to version 1.1 is available.

Today’s Driving Tip

Large trucks benefit from lowered speeds. For every 1-mph increase above 55 mph, fuel efficiency generally decreases 2.2%.

More Driving Tips

Find out the quality of your air.