Volkswagen will use the XL1's hybrid powertrain for the Up! Hybrid due in about two years.
The recently unveiled limited production version of the XL1 will serve as a foundation for the hybrid version of the Up! city car due in at least 18 months, according to VW. The very economical XL1 has a two-cylinder 0.8-liter TDI engine with 47 hp (35 kW), a 27 hp (20 kW) electric motor and a 5.5 kWh battery.
The same setup in the Up! Hybrid should grant a fuel consumption of approximately 1 liter / 100 km (235.2 mpg
US / 282.4 mpg UK).Read Article