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Daimler Buses North America has completed the delivery of a major order for hybrid buses to the New York City Transit authority. The New York bus system bought 1,350 Orion VII buses that use a series hybrid drive system produced by BAE systems.

The first hybrid buses hits the streets of New York City almost ten years ago and the National Renewable Energy Laboratory has just done a follow-up study to evaluate the second generation. The newer buses were compared to the original Orion VII hybrid units. The more recent buses were found to actually consume 6.8 percent more fuel than the first generation buses due to the EGR system that was added in 2004 to help reduce emissions. However, improvements in the design including a simpler coolin