No decision regarding serial production of the one-liter car yet, says Vw spokeman

Article by Christian A., on May 7, 2012

Asked about a serial production of the one-liter car a.k.a. XL1 Concept seen at the Qatar Motor Show, a Volkswagen spokesman told us that the German manufacturer has yet to take a decision.

The good news is that Volkswagen is planning to build a small number of XL1 vehicles in order to test them. As you may remember, at this year’s annual meeting of the Vw supervisory board, chief Ferdinand Piech and his wife Ursula made their appearance at the wheel of a XL1.

The car is a two-seater and is considered as one of Piech’s favorite projects. For those who don’t know, the XL1 combines a two-cylinder diesel engine delivering 48 hp with and electric motor delivering 20 hp.

The diesel engine is mated to 7-speed dual clutch transmission (DSG), while the energy is stored using lithium-ion batteries. Moreover, the XL1 has an impressive aerodynamic coefficient of drag of 0.186. Driven in pure electric mode, the vehicle has a range of 35 kilometers, and just like an electric car it cam be recharged from a conventional household electric outlet.

The new VW XL1 marks the third evolutionary phase as it relates to the 1-liter car strategy of Volkswagen. This objective was created by Prof. Dr. Ferdinand Piëch at the beginning of the new millennium. Piëch is Volkswagen AG’s Chairman of the Supervisory Board. Under this plan, the brand hopes to introduce a production car that would not only be practical for those daily drives but would show fuel consumption of only 1 liter for every 100 km. Having actual fuel consumption of 0.9 l/100 km, this means that the XL1 may well be the world’s most fuel-efficient production car.

This is due to a combination of excellent aerodynamics, implementing an innovative lightweight design, and the plug-in hybrid system. The plug-in hybrid system is mainly composed of the TDI two-cylinder engine with output of 35 kW (48 PS) and an E-motor capable of 20 kW (27 PS). There is also a lithium-ion battery and all of the power is channeled through the dual clutch gearbox with 7-speed capability.

This is why it is able to get that fuel efficiency value of 0.9 l/100 km, something never before seen in vehicles. This more than proves that Volkswagen is truly redefining what is considered as technically feasible in the auto industry. In terms of CO2 emissions, the hybrid system is estimated to have 21 g/km. The all-electric mode though ensures zero local emissions and allows the new XL1 to reach a maximum of 50 km.

Maximum speed through the hybrid system is 160 km/h with acceleration from 0 km/h to 100 km/h possible in 12.7 seconds. Making this two-seater even more remarkable is that the design makes use of the sports car philosophy. This is a mix of excellent aerodynamics, with Cd of 0.189, low center of gravity as height is at 1,153 mm, and low weight, which is 795 kg. As such, it can allow the XL1 to have a constant cruising speed of 100 km/h, needing only 6.2 kW (8.4 PS). Running on pure electricity, it can go at least 1 km using 0.1 kWh.

Topics: vw, green car

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