COLUMBUS, Ind.–(BUSINESS WIRE)–Cummins Inc. (NYSE: CMI) today announced that it will bring to market a 15-liter natural gas engine for heavy-duty trucks. The 15-liter natural gas engine is an important part of Cummins strategy for its path to zero emissions to go further, faster to reduce the greenhouse gas and air quality impacts of its products in a way that is best for its customers and all stakeholders. The strategy focuses on new powertrains including advanced diesel, natural gas, hydrog