Volkswagen sets Qatar for world debut of XL1

Where was this car at the 2011 NAIAS in Detroit? You’ll have to go to Qatar Auto Show to experience the future of mobility, a two-seat 1-litre car.

The XL1 is described by Automotive News as a plug-in diesel hybrid concept, claiming 261 mpg. photos show its forward and visionary style.

That alone makes it like no other hybrid car powered by an electric motor / internal combustion engine combination; and equates to a fuel consumption of merely 0.91 per 100 km.

According to the Volkswagen news release, the key question is: Just how much could the energy consumption of cars be reduced if all the stops were pulled out for efficiency? Now we have an answer.

Conceptually, the XL1 represents the third evolutionary stage of Volkswagen’s 1-liter car strategy. When the new millennium was ushered in, Prof. Dr. Ferdinand Piëch, who is today Chairman of the Supervisory Board of Volkswagen AG, formulated the visionary goal of bringing to the market a production car that was practical for everyday use with a fuel consumption of 1.0 liter per 100 km.

In the new XL1, Volkswagen is demonstrating that this goal is now within reach.

The new Volkswagen XL1 attains a CO2 emissions value of 24 g/km, thanks to a combination of lightweight construction (monocoque and add-on parts made of carbon fibre), very low aerodynamic drag (Cd 0.186) and a plug-in hybrid system - consisting of a two cylinder TDI engine (35 kW / 48 PS), E-motor (20 kW / 27 PS), 7-speed dual-clutch transmission (DSG) and lithium-ion battery.

With a fuel consumption of just 0.9 l/100 km, the new Volkswagen XL1 only emits 24 g/km CO2.

Since it is designed as a plug-in hybrid, the XL1 prototype can also be driven for up to 35 kilometers in pure-electric mode; meaning, zero emissions at point of use. The battery can be charged from a conventional household electric outlet.

Like the Chevy Volt and similar systems, battery regeneration is also employed to recover energy while slowing down and store as much of it as possible in the battery for re-use. In this case, the electric motor acts as an electric generator.

In the new XL1, wing doors make it easier to enter and exit the car. Developers were able to design a body layout that offers greater everyday practicality, incorporating side by side seating rather than the tandem arrangement seen in both the first 1-liter car presented in 2002 and the L1 presented in 2009.

Further progress has been made by manufacturing body parts from carbon fiber reinforced polymer parts (CFRP), a technique used in Formula 1 car construction. Volkswagen has even developed and patented a new system for CFRP production in what is known as the aRTM process (advanced Resin Transfer Molding).


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