Volkswagen XL1 was the most fuel-efficient production car in the world
Once upon a time, Volkswagen made the most powerful and fastest production car - the Bugatti Veyron EB 16.4. The objective behind Volkswagen XL1 was completely different – develop the most environmentally friendly hybrid car and hopefully slightly less expensive than Bugatti. Like the Bugatti Veyron, the XL1 owes its existence...