Allison Transmission and Cummins receive ARB approval in California for the H 40/50 EP™ system paired with ISB6.7 and ISL9 engines
INDIANAPOLIS – Nov. 13, 2014 – Allison Transmission Holdings Inc. (NYSE: ALSN) and Cummins Inc. (NYSE: CMI) today announced that they have received approval from the Air Resources Board (ARB) in California to sell the Allison H 40/50 EP™ hybrid propulsion system paired with Cummins ISB6.7 and ISL9 diesel-electric hybrid engines for transit buses and coaches. “We are pleased to be the first hybrid system manufacturer approved for the transit market in California,” said Deborah Gordon, executive director of regulatory issues and hybrid programs for Allison Transmission. Allison’s H 40/