The Columbus, Ind., engine maker also has filed with EPA for its ISX 12-liter heavy-duty power plant and several midrange engines and could win certification for them this month, Cummins engineers ...

Cummins this weekend pulled the curtain back on its next-generation engine family, the 15-liter X15 (available in two configurations) and the 12-liter X12 heavy-duty diesel engines. Both engines ...

Cummins’ ISX 15 G was expected to enter limited production later this year. Cummins announced plans for the engine mid-2012 citing coming demand in the marketplace. However, infrastructure ...

Heavy-duty diesel engine maker Cummins this weekend introduced two new 15-liter engine offerings that will come to market late this year. The 2017 Cummins X15 engines offer two new configurations ...

Cummins offers a complete range of diesel engines for emergency vehicles, from 260 hp to 600 hp (194-447 kW) – including the X15, ISX12, L9 and B6.7 – and a full range of Cummins Onan ...

The firm says it will build a 15-liter example, as well as a more modest 6.7-liter displacement engine. These options, it says, will "enable the industry to take action and reduce GHG emissions." ...

Cummins Inc. (NYSE: CMI) unveiled a 15-liter natural gas engine for heavy-duty trucks, marking an important part of its strategy for its path to zero emissions. Cummins expects the expanding ...

Cummins has unveiled its new 15-liter, fuel agnostic engine at the ConExpo trade show in Las Vegas. The single platform is capable of supporting various fuel types, including hydrogen, natural gas and ...

Now, Cummins is ready with a production version of a 15-liter hydrogen-fueled engine. The ever more stringent environmental regulations have pushed vehicle manufacturers to look for solutions to ...

Walmart (WMT) said it is teaming up with Chevron (CVX) and Cummins (CMI) to unveil its first heavy-duty truck powered by a 15-liter compressed natural gas engine.

Natural gas truck engine producer Westport Innovations plans to stop taking orders for its North American 15-liter model after Nov. 15., citing weak sales.