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UQM Technologies has been awarded a $1 million contract supplement to an existing U.S. Air Force contract to convert a conventional one-half ton pickup truck to all-electric operation using an optimized configuration of currently available technologies. The contract supplement provides funding for an additional vehicle testbed and for the continued development of an electronic motor/generator controller that uses high-operating-temperature, silicon-carbide power-switching modules.

The controller is being developed for the USAF Advanced Power Technology Office of the 542nd Combat Sustainment Wing at Robins Air Force Base. The USAF expects to field test the controller in all-electric pickup truck testbeds being built by the company and powered by lithium-ion batteries.

Silicon-carbide power modules, of the type being developed in this program, can withstand substantially higher operating temperatures, compared to traditional silicon modules. The plan is to develop motor/generator controllers that use silicon carbide modules and are able to operate in harsh environments.

The contract supplement increases the total contract value to $2.83 million and extends the expected completion date to Nov. 30, 2008.

UQM Technologies manufactures electric motors, generators and power electronic controllers for the aerospace, military and industrial markets. The company's headquarters, engineering and manufacturing operations are located in Frederick, Colo.