Aging diesel trucks, long-haul trailers, loaders and diesel-powered passenger buses found primary violators in capital.

A Colorado truck repair shop that disabled emissions control equipment on hundreds of heavy duty trucks' diesel engines was recently penalized and its owner sentenced to a year behind bars. In April ...

STATEN ISLAND, N.Y. -- The Ford Motor Company has issued a recall for several popular models of diesel vehicles. Ford has issued a recall for certain models of its diesel work trucks made between 2020 ...

Researchers at the University of Southern California have released an interactive map to show Angelenos how pollution from diesel truck traffic affects neighborhoods and streets across the region. The ...

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...

[Stay on top of transportation news: Get TTNews in your inbox.] One truck manufacturer has stopped taking orders for new diesel-powered trucks and buses in Oregon and two more are limiting sales there ...