Designed to comply with 2010 emissions regulations, the Cummins ISX15. runs up to 5 percent better than the ISX engine, the company says. Features include the Cummins XPI high-pressure common-rail fuel system, an enhanced cooled-EGR system, a single VGT Turbocharger and the Cummins Aftertreatment System that uses SCR and diesel particulate filter. Ratings will range from 400 to 600 hp, with torque outputs from 1,450 to 2,050 lb.-ft. The engine is available in Volvo, Kenworth and Peterbilt trucks, as well as the Freightliner Cascadia.