Cummins Inc. (NYSE: CMI) today announced that it received certification for its complete lineup of on-highway diesel and natural gas engines from the U.S. Environmental Protection Agency (EPA), meeting both the current EPA regulations and the second step in greenhouse gas (GHG) and fuel-efficiency standards which take effect in January 2017. Fuel efficiency is improved across the commercial vehicle engine lineup from 5.0 liters to 15 liters.

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