The document discusses Volkswagen's production of the XL1, a 0.9 liter car. It summarizes Volkswagen's vision since 2002 to produce the world's first 1-liter car and how the XL1 represents the technological flagship for that goal. Details are provided on the XL1's specifications that achieve ultra-low fuel consumption of 0.1 liters per 100 km, including its lightweight carbon fiber body, electric motor and transmission, and aerodynamic design.