Orion diesel-electric hybrid bus
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December 19, 2007 Public transport organizations in the USA and Canada have ordered a total of 1052 Orion VII Next Generation diesel-electric hybrid buses, giving New York the largest diesel-electric hybrid bus fleet in the world by 2010.
The Orion series is manufactured by Daimler Buses, and the HybriDrive propulsion system is provided by BAE Systems. The buses, which will be delivered to MTA New York Transit and OC Transpo over the next two years.
Hybrid buses offer many advantages over straight diesel models offering better fuel economy and slashing particulate emissions as well as reducing Nitrogen Oxide and greenhouse gases. Series hybrid systems, which use a combustion engine to power both a battery and an electric motor, are also quieter and more efficient at stop-and-go driving.
The Orion VII features regenerative braking, which uses the drive motor to slow the bus, allowing the motor to draw energy from the braking process and reducing brake wear. A majority of Orion VII deliveries will incorporate lithium-ion battery energy storage technology.
“Daimler focuses on shaping the future of transportation through initiatives for greater fuel economy and lower emissions in commercial vehicles,” said Andreas Renschler, Member of the Board of Management of Daimler AG and Head of Daimler Trucks Division. “In North America, where public-private partnerships create the right conditions, hybrid buses have proven to be an ideal solution for modern urban city transportation. With the orders announced today, we have again proven our leadership and responsibility in this field.”
This order will bring the MTA’s diesel-electric hybrid bus fleet to almost 1600 units and Orion transit buses will account for almost 50 percent of MTA New York City Transit’s entire fleet. OC Transpo has ordered 202 Orion VII Next Generation diesel-electric hybrid transit buses to be delivered by 2009. This delivery will make OC Transpo the third largest hybrid bus fleet in Canada.
Orion VII hybrid-drive transit buses
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February 7, 2008 A government report has shown that the new Orion buses in New York City cost 40% less to maintain and 24% less to operate than earlier-generation hybrids.
The U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) evaluated the performance of New York’s second-generation Orion VII buses from February 2006 to January 2007. The buses studied were compared to the city’s first-generation Orion VII buses. The buses in the study incorporated several improvements to the hybrid electric propulsion system, in use in New York since 1998. Factors contributing to the performance improvements included a simplified cooling-system design, improved battery diagnostics, and better training of mechanics.
“The gains in operating and maintenance costs as referenced in the latest NREL report are a clear indication of the benefits of hybrid buses in public transit applications,” said Patrick Scully, chief commercial officer for Daimler Buses North America. “These results are proof positive for not only New York City but for all of our other customers that are operating Orion hybrid buses. Further, for cities looking to adopt hybrid buses, the NREL report provides excellent empirical data for their decision-making process.”
Powered by BAE Systems’ HybriDrive diesel-electric propulsion system, the Orion VII Next Generation transit buses from Daimler Buses North America offer lithium-ion energy storage. Lithium-ion technology is more efficient, lasts longer, and weighs less than the lead-acid batteries in use today. More than 1,000 Daimler buses with BAE Systems drive systems are in service in cities such as New York, San Francisco, and Toronto.
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