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Daimler Delivers Last Hybrid Bus from Order for NY City Transit
Daimler Buses North America (DBNA) has delivered the last batch of buses to New York City Transit (NYCT) from an order for a total of 1,350 Orion diesel-electric hybrid transit buses.The company currently operates a fleet of 1,679 hybrid buses, of which 1,675 are Orion VII diesel-electric hybrids from DBNA. This gives NYCT the world’s largest fleet of hybrid vehicles for local public transportation.
Orion began developing and producing hybrid buses in the mid-1990s and formed a partnership with NYCT to help test the buses during their development phase. DBNA then delivered its first Orion diesel-electric hybrid bus to New York City in 1998. Although the Orion hybrid bus is used all across North America, New York City has the most units in operation.
Daimler Buses is the world’s largest manufacturer of diesel-electric hybrid buses, with over 3,000 units either in service or on order. In addition to New York, Orion hybrid buses have proven themselves in cities such as San Francisco, Houston, Toronto, and Ottawa.
At the heart of Orion’s diesel-electric hybrid buses is the brand’s HybriDrive system, which is manufactured by BAE Systems of Johnson City, NY. The system powers the bus with a 6.7-liter diesel engine, a generator, an electric motor, and a lithium-ion energy storage unit. The components are arranged in series and were configured especially for the Orion VII hybrid bus. The diesel engine is optimized to run at relatively constant speeds.
Acceleration and deceleration are accomplished by varying the speed of the electric motor rather than the diesel engine, which results in maximum efficiency, fuel savings, and clean operation.
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