Exhaust Gas Recirculation-free design provides 10% more power and 20% more torque compared to Tier 4 Final/Stage IV models Cummins Inc. revealed a new generation of ultra-low-emissions engines ...

Cummins Inc. has begun development of a 15-liter heavy-duty, spark-ignited natural gas engine for on-highway applications. The announcement was made at the Mid-America Trucking Show in Louisville ...

Cooled-EGR (Exhaust Gas Recirculation) systems have been used since October 2002 by five major engine manufacturers (Cummins, Detroit Diesel, International, Mack and Volvo) to reduce emissions of smog ...

Cummins Westport launched Tuesday at ACT Expo in Dallas its ISB6.7G, the company’s newest midrange natural gas engine. Initially slated to be offered by Thomas Built buses, the engine will also be ...

Cummins Inc. has unveiled a new electronic calibration system for its engines, designed to generate lower levels of oxides of nitrogen (NOx). These calibrations will be available on 1996 to 1998 ...

The ISX12, built for regional hauls and vocational and specialty applications, uses components of the big-bore ISX15 to offer more power and better fuel economy than its predecessor, the ISX11.9, the ...

Cummins revealed its next-generation X15 heavy-duty engine, which the company says exceeds U.S. Environmental Protection Agency (EPA) 2017 greenhouse gas (GHG) and fuel-efficiency standards. The X15 ...

Cummins Westport will begin producing the ISB6.7 G, a 6.7-liter dedicated natural gas engine for medium-duty trucks, shuttle buses, and vocational vehicles by the middle of 2016. The ISB6.7 G is based ...