Battery Powered Carbon Fiber Volt 
Green Car Congress
JUNE 24, 2013
The XL1 is aggressively optimized for efficiency in all areas of its design and technology—from materials (carbon fiber reinforced polymer monocoque); to powertrain (0.8L kWh lithium-ion battery—integrated in the front section of the XL1—supplies the electric motor with 220 volts of electrical energy.
Green Car Congress
NOVEMBER 20, 2014
kWh lithium-ion battery pack (from the Jetta Hybrid), which stores the kinetic energy recovered from regenerative braking; assists in the starting phase of the fuel cell; and adds a dynamic boost to the maximum acceleration of the Golf SportWagen. The fuel cell and battery power an electric motor adapted from the e-Golf.
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Green Car Congress
NOVEMBER 20, 2014
Meanwhile, outside the stack the electrons supply the electrical power. The entire fuel cell operates in the voltage range of 230 to 360 volts. Both the front and rear axles have no mechanical connections for the transmission of power. On battery power, the Audi A7 Sportback h-tron quattro covers as much as 50 kilometers (31.1
Green Car Congress
JUNE 28, 2011
Proper design and architecture could lead to Mg-based batteries with energy densities of 400 - 1100 watt hour per kilogram (Wh/kg) for an open circuit voltage in the range of 0.8 - 2.1 volts, which would make it an attractive candidate for electrical grid energy storage and for stationary back-up energy, NETL says.
Green Car Congress
MAY 16, 2013
Like the race engine of the RS Spyder, the 918 Spyder power unit features dry-sump lubrication with a separate oil tank and oil extraction. To save weight, components such as the oil tank, the air filter box integrated into the subframe and the air induction are made of carbon fiber reinforced polymer.
Green Car Congress
NOVEMBER 17, 2015
The current 12-volt electrical system and, above all, the new 48-volt system offer many ways of making driving even sportier, more comfortable and more efficient. The Q7 e-tron quattro features a six-cylinder TDI engine and quattro drive that deliver 275 kW (373 hp) of system power and 700 N·m (516.3 Audi Q7 e-tron 3.0
Green Car Congress
SEPTEMBER 10, 2013
The combustion engine and electric motor, battery pack, power electronics, chassis components, and structural and crash functions are all arranged within the aluminum Drive module, while the central element of the Life module is the i8’s CFRP (carbon fiber reinforced plastic) passenger cell.
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