cylinder TDI + electric motor
If the Volkswagen 'Formula' XL1 concept looks familiar,
then you've probably seen the VW
L1 concept from 2009.
At first the two cars look almost identical, same styling
details, same profile, and similar drivetrain. However
if you look closer you'll notice that the XL1 features
a more conventional side-by-side seating arrangement -
instead of the L1's tandem layout. This configuration
means that the XL1 is considerably wider than the L1,
and also much more practical.
While developing the XL1 concept, Volkswagen's designers
and engineers tried to make the car as energy efficient
as possible, both in terms of manufacturing and also fuel
The use of lightweight materials, such as carbon fiber
reinforced polymers, combined with a hybrid drivetrain
allow the Volkswagen XL1 to achieve a CO2 emissions value
of 24 g/km and just over 260mpg (0.9L/100Km)!
The hybrid system of the Volkswagen XL1 consists 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. Because the XL1 is designed as a plug-in hybrid,
the car can also be driven for up to 21 miles (35km) in
pure electric mode - with zero emissions coming directly
from the vehicle. The battery can be charged from a conventional
household electric outlet. Battery regeneration is also
used to recover energy normally lost while slowing down,
this power is returned to the battery for re-use.
For a car which has been designed primarily to be environmentally
friendly, the XL1 concept is surprisingly good looking.
The clean, sculpted lines look futuristic and athletic,
while the steeply raked roofline gives the car handsome
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