From USA TODAY:
Delivering both stunning looks and high fuel economy, Volkswagen has unveiled a streamlined diesel plug-in hybrid XL1 concept in the Mideast nation at the Qatar Motor Show.
The fuel mileage works out to about 261 miles a gallon, says Automotive News. VW calls it the most efficient car in the world.
The new Volkswagen XL1 combines light weight and a low aerodynamic drag to get the most out of its hybrid system. The system has a two-cylinder diesel engine and a seven-speed transmission…
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