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More hybrid diesel-electric vehicles from GM

30 March 1999

General Motors delivered its first hybrid electric bus for New York City and made an announcement of a demonstration fleet of hybrid electric pickup trucks next year.

The NYC Transit bus features a GM Allison Transmission-designed series hybrid system, which combines a 160 kW-traction drive system and a diesel- fueled 100 kW auxiliary power unit. According to GM, the system provides a 40% improvement in fuel economy and a 70% reduction in emissions over conventional heavy-duty powertrains.

The hybrid pickup truck demonstration program would begin in New York and California later next year. The fleet of 10 trucks—some Chevrolet Silverados and some GMC Sierras—will feature a conventional powertrain and driveline with an electric motor integrated between the engine and transmission. Low-voltage lead acid batteries will power the motor.

Source: General Motors