Volkswagen 1-litre car - Wikipedia, the free encyclopedia
The Volkswagen XL1 (VW 1-Litre) is a two-person limited production diesel-powered plug-in hybrid produced by Volkswagen. The XL1 car was designed to be able to travel 100 km on 1 litre of diesel fuel (280 mpg-imp; 240 mpg-US), while being both roadworthy ...