Nissan Diesel Motor has developed a capacitor hybrid medium-duty truck. This vehicle involves a new power-train technology which makes for high efficiency and low emission with the basic technology being a high performance capacitor type storage device. The newly developed capacitor has an energy density that is twice as great as commercial ultracapacitors. The simple parallel hybrid system of this vehicle was composed of this capacitor, a single motor, a conventional diesel engine and a mechanical automatic transmission system. Fuel economy about 1.5 times greater than that of a conventional diesel truck is achieved. Furthermore, the TLEV level of exhaust emissions is also achieved.
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