Back in 2009, before the Nissan Leaf and Chevy Volt were ready for market, the world heard loud, overinflated claims of "367" and "230" mpg ratings. Talk is cheap, and actual EPA testing sent those ratings rocketing right back down to Earth at 99 mpg-e and 60 mpg, respectively. Volkswagen is the latest to get in on the 200+ mpg game, claiming its XL1 will be capable of 261 mpg (European cycle). Thanks to a radical approach that slashes weight, optimizes aerodynamics and wrings every last drop of fuel, Volkswagen may actually make good - or at least get close.
Read the full article: Volkswagen prepares to build the world's most fuel efficient production car