for a better life & environment care facts from the national geographic.. must try to do.. Tips For Greener Travel Reducing your speed to 55 mph from 65 mph may increase your fuel efficiency by as much as 15 percent; cut it to 55 from 70, and you could get a 23 percent improvement. To travel with a lighter footstep: * Stay closer to home. The less you drive, the easier your trip is on the environment. Instead, take an alternative form of transportation, like a train or a bus. * Increase your fuel efficiency on the road. Inflate your tires, and drive at a leisurely pace. If your trip requires flying, or driving a long distance, rent a hybrid. Hertz recently started renting Toyota Prius at major metropolitan airports, and for inner city driving, check out car shares. Zipcar, available in bigger cities like New York, Chicago and Washington D.C., provides hybrids on a per-hour basis. * Get to know the country through the window of a train. If you're really ...