plastic instead of aluminum researchers here at the german aerospace center are also experimenting with new materials carbon fiber reinforced synthetics can make planes lighter and of course more weight equals better fuel economy at the moment the scientists believe this aspect alone could cut fuel use fire round 2 percent. so altogether the center's 3 current project could reduce fuel use by 30 percent and that's not even half of what the the rate designers are aiming for. we desperately need more environmentally friendly airplanes and the sky is the limit. the situation is similar with climate friendly cars. the number of newly registered vehicles in august in the e.u. shows that people still love driving cars despite traffic jams and exhaust fumes in car obsessed germany the number of vehicles continues to climb more than 3 and a half 1000000 newly registered automobiles hit the country's roads this year alone . but driving is stressful and even normally calm people can get caught up in road rage. people who are normally mild mannered can suddenly get cranky behind the wheel. take mr