Exhaust Gas Recirculation (EGR) is a cornerstone technology in modern diesel engines aimed at reducing nitrogen oxide (NOx) emissions by redirecting a portion of exhaust gases back into the intake ...

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 ...

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 ...

President Donald Trump granted full pardons to nine individuals convicted of federal Clean Air Act violations.