Pratt & Whitney Rocketdyne (PWR), a rocket engine maker based in California, celebrated another milestone in its effort to conserve energy and reduce waste with the commissioning of United Technology Corp.’s first operational large (400kW) fuel cell in the San Fernando Valley.

About 35 people attended the Jan. 9 event at PWR’s headquarters in Canoga Park, including Los Angeles City County Councilman Dennis Zine and representatives from California state assemblyman Bob Blumenfield’s office; the Los Angeles Department of Water and Power; and Southern California Gas Company. Keep reading →