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Allison Transmission and Cummins receive ARB approval in California for the H 40/50 EP™ system paired with ISB6.7 and ISL9 engines

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.

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