Cummins has instituted a voluntary recall of roughly 500,000 model-year 2010-2015 engines, according to an announcement from the U.S. EPA. The recall involves faulty emissions systems components that ...

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel vehicles, introduced to comply with US Environmental Protection Agency (EPA) regulations that began in 2010. It's a solution made up ...

Called the B6.7 Octane, Cummins' first gas engine is a turbocharged 6.7-liter inline-six that runs on 87-octane gasoline. Output ranges from 200 horsepower and 600 pound-feet of torque to 300 hp and ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.