New Volkswagen XL1: Diesel-Electric Hybrid Concept Grows Up but Becomes Even More Fuel Efficient

.fullpost { display: inline; } At this week's Qatar Motor Show, which runs from January 26 to 29, Volkswagen will unveil the third and latest iteration of its two-seater diesel-electric hybrid concept series, the new XL1 Super Efficient Vehicle (SEV). The first two vehicles of the series were the 1-litre concept car unveiled back in April 2002 and the L1 study from the 2009 Frankfurt motor