A two-seat diesel plug-in hybrid manufactured by Volkswagen to get an estimated 261 miles per gallon was unveiled at the Geneva Motor Show in Switzerland. The XL1, which can travel more than 30 miles using only its electric engine, has been called the most fuel-efficient vehicle in the world by the German automaker. The vehicle, which seats two people, is reportedly capable of speeds up to 100 miles per hour, but takes more than 12 seconds to travel from 0 to 62 miles per hour. The car’s low to the ground design makes it extremely aerodynamic with a 0.189. coefficient of drag, reducing the amount of fuel needed to displace air when traveling at higher speeds.
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