The California Air Resources Board has penalized LKQ Corporation for selling used diesel particulate filters, which is illegal in the State of California.

Millions of dollars in settlements from the VW diesel emissions cheating scandal will be made available for clean vehicle technology in California and...

Volvo Group stock fell after the Sweden-based truck and engine maker announced it was investigating the potential failure of a critical emissions control...

The federal budget package approved by the U.S. House and U.S. Senate includes a 50 percent increase in funding for a clean air program that reduces...

The DERA funding covers engine replacements, repowers, and idle reduction technologies to clean up a variety of older diesel engines, including those in...

The South Coast AQMD released Program Announcements for the 2020 Carl Moyer Program, including the SOON (Surplus Off-Road Opt-In for NOx) Provision....

The U.S. EPA has accused Fiat Chrysler of failing to disclose engine management software that increased air pollution in 104,000 diesel-powered Ram 1500...

More than 37 percent of all diesel medium and heavy duty commercial trucks registered in the U.S. are now equipped with newer technology clean diesel...

Unlike passenger vehicles, which require biennial smog checks in California, heavy-duty diesel trucks are not currently required to undergo regular...

The EPA is serious about further reducing exhaust emissions and boosting vehicle fuel economy. But the agency official’s remarks suggested that it intends...