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UQM Technologies Propulsion System to Power Hybrid Composite Bus

15 July 2007

UQM Technologies’ newly introduced150 kW permanent magnet propulsion motor will power a fuel cell hybrid electric bus being developed with an all composite body.

The vehicle is 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.

“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.

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





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