- Volkswagen L1 Concept, 2009
One of a unique Car in the world today is Volkswagen L1. It weighs just 380 kilograms a carbon fibre reinforced plastic (CFRP) body. The two-seater is powered by a new common rail turbo-diesel (two-cylinder TDI) and an electric motor. With its average fuel consumption of 1.49 litres diesel per 100 kilometres, this fully road-ready and extremely aerodynamic L1 (Cd 0.195!) is advancing to become the most fuel-efficient hybrid automobile in the world. CO2 emissions of the 160 km/h fast concept car are just 39 g/km.
Drivetrain
The TDI, E-motor and 7-speed DSG are located at the rear, and they combine to create the most fuel efficient road-legal car hybrid drive in the world. Proof of this are its 1.38 litre per 100 kilometres fuel consumption and 36 g/km CO2 emissions. Serving as the primary drive source is a completely redeveloped two-cylinder turbo-diesel with common rail direct injection (TDI). It is operated in two different modes depending on the load conditions. In the standard "ECO" mode, the 800 cm3 TDI develops a power of 20 kW / 27 PS (at 4,000 rpm); in "Sport" mode - used to reach top speed, for example - the car's power rises to 29 kW / 39 PS (at 4,000 rpm). The TDI's maximum torque is 100 Newton-meter (at 1,900 rpm). Naturally, the Volkswagen L1 also has a Stop-Start system that automatically shuts down the engine when vehicle has stopped and restarts when the accelerator or E-pedal is pressed.
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