UQM’s Propulsion System to Power Hybrid Electric Bus

UQM Technologies, Inc., a developer of alternative energy technologies, announced today that its newly introduced 150 kW permanent magnet propulsion motor will power a fuel cell hybrid electric bus being developed by Mobile Energy Solutions, LLC, Golden, Colorado, with funding under the Federal Transit Administration's National Fuel Cell Bus Program.

The 35-foot-long bus features a proprietary all-composite body manufactured by Martin Marietta Composites and two 16 kW automotive fuel cells from Hydrogenics, Inc. The batteries, which are only six inches tall, are incorporated in the floor enabling a low floor design, which in combination with the absence of an engine compartment, allows passenger seating for 37 people, equal to that of a conventional 40 foot bus. The vehicle incorporates a battery dominant plug-in hybrid power system, which provides a significant portion of the vehicle's power from batteries, which are recharged by being plugged into the electric power grid at night. Additional energy is provided to the batteries during operation from the onboard fuel cell auxiliary power system, which generates supplemental power to extend the range of the vehicle. The bus has been designed to accept auxiliary power units other than fuel cells such as an internal combustion engine generator fueled by hydrogen, propane, compressed natural gas or bio-diesel.

"Unlike other fuel cell bus programs that are placing large fuel cells in conventional transit buses, we are developing a composite body bus that has been specifically designed for these advanced technologies. By doing so, we have been able to reduce the weight of the vehicle, dramatically improving passenger carrying capability and roughly tripling the fuel mileage compared to conventional buses of similar size," said Dale Hill, Chief Executive Officer of Mobile Energy Solutions, LLC. "UQM's 150kW propulsion system, with its exceptional torque and light weight, will allow our bus to have superb acceleration while maximizing the range between recharges, due to the propulsion system's highly energy efficient operation. We are looking forward to using UQM(R) propulsion systems on other vehicle development opportunities we are pursuing."

"We are pleased that Mobile Energy Solutions has selected our newly introduced 150 kW system for their fuel cell hybrid electric bus program. This system was specifically designed to meet the higher power requirements of larger vehicles, such as this exciting bus. We are confident that the performance and high energy efficiency of our system, together with the unique design features of the bus, will allow this purpose built vehicle to exceed its original performance expectations," said William G. Rankin, President and Chief Executive Officer of UQM Technologies, Inc. "We are excited about working on this project and look forward to additional orders for this bus and additional vehicles as Mobile Energy Solutions continues to grow their business."

For more information on UQM, please http://www.uqm.com.

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