Cummins looks to future with diesel engine footing, ‘energy-diverse’ products

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Cummins Inc. executives gathered last month at the company’s technical center, near Columbus, Ind., headquarters, to spotlight a trucking industry future where diesel power will prevail for decades in certain segments, while others evolve around packages coupling internal combustion engines with mild hybrid design, and battery or fuel cells. In the core truck business, they reflected on progress their new on-highway X15 engine has exhibited through eight months of production—42,000 units shipped thus far—and strides the X12 cousin is making in field trials toward a spring 2018 debut. At 600 lbs. lighter than any other 10- to 13-liter class diesel engine for North American on/off-highway vehicles, the X12 is poised for mixer, dump and other weight-sensitive vocational trucks.

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