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Quick drive of the Passat HyMotion hydrogen fuel cell hybrid

Green Car Congress

The drive components (motor, two-stage 1-speed transmission) of the HyMotion are in the engine compartment of the car as are the hydrogen fuel cell stack; the cooling system; a tri-port converter that regulates the voltage between the electric motor, the fuel cell and the lithium-ion battery; and the turbo compressor. Click to enlarge.

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Porsche presents more efficient Gen 2 919 Hybrid LMP1 racer for 2015

Green Car Congress

A liquid-cooled lithium-ion battery—developed by A123 Systems in cooperation with Porsche—temporarily stores converted braking energy from the front axle as well as converted exhaust-gas energy. The combustion efficiency of the now lighter and more rigid 2-liter V4 turbocharged gasoline engine has been increased.

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