The diesel engine has undergone a significant evolution over the past two decades. Most of these changes were designed to reduce emissions and air pollution, but once early generation emission goals ...

Caterpillar will be a step closer to reaching the stringent ’02 federal emissions standards when it introduces Clean Power – engines it says offer lower NOx emissions than current EPA regulations ...

Click here to write a Letter to the Editor. he fiasco over the next generation of heavy-duty diesel engines that the Environmental Protection Agency has mandated for the trucking industry shows no ...

FYI: The Environmental Protection Agency convened a public meeting in Manhattan Tuesday (the first in a national series of public meetings) on its proposed rules for limiting emissions from non-road ...

Just days after Ford’s announcement of a particle filter-equipped ‘Power Stroke’ diesel engine for large pickup trucks, GM Powertrain said its ‘Duramax’ 6.6L V-8 turbo-diesel engine has been updated – ...