Most diesel engines in the U.S. use a combination of technologies to reduce emissions. Usually there will be a diesel particulate filter (DPF), selective catalytic reduction (SCR) with urea (DEF fluid ...

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 ...

Controlling vehicle emissions in modern vehicles involves more than just bolting up a catalytic converter and calling it a day. There are other components that effectively, and intuitively, cut out ...

Navistar Inc has acquired from Holley Performance Products Inc certain assets including intellectual property rights to some of Holley’s valve technology for diesel engine exhaust gas recirculation ...

Cooled-EGR-system components fit neatly on the right side of this Mack ASET highway engine. Mack also uses an "internal-EGR" system (I-EGR) on the engines in its vocational trucks. The I-EGR system ...

Looking back on writing about truck technology for many years, there have been just a few standout engine introductions. The introduction of the Cummins Signature 600/ISX, with dual overhead camshafts ...

You're driving down the road and having a normal day behind the wheel of your car. You look down on the dashboard to check your gauges and speed, but you notice that a little orange "Check Engine" ...