For their part, manufacturers have made DEF a non-negotiable part of engine operation to meet restrictions put in place by ...

The latest bad news for the environment is a forthcoming increase in diesel exhaust pollutants, due to new EPA guidelines on ...

New rules have been rolled out by EPA to prevent sudden speed and power losses in diesel-powered trucks and farm equipment ...

U.S. Environmental Protection Agency Administrator Lee Zeldin announced guidance Tuesday for engine and equipment manufacturers to prevent sudden shutdowns and power losses that occur in diesel ...

The EPA is urging manufacturers to curb sudden DEF-related slowdowns, letting drivers travel farther before trucks are ...

North Carolina Democrats are pushing back after the EPA canceled $156M in Solar for All grants, warning the move will raise energy costs and kill jobs.

These funds are part of the 2025 Supplemental Appropriation for Hurricanes Helene and Milton and the Hawaii Wildfires.

EPA administrator Lee Zeldin and SBA administrator Kelly Loeffler reveal a solution to DEF system problems that have plagued truckers and farmers for over a decade.

This change will let operators fix issues without their equipment shutting down, write the EPA's Lee Zeldin and the SBA's ...

Under the second President Donald Trump administration, the Environmental Protection Agency is going through changes.

The Environmental Protection Agency announced Aug. 7 plans to eliminate the Solar for All program, drawing blowback from NJ ...

During his visit to New Hampshire, administrator of the Environmental Protection Agency Lee Zeldin said, "During these ...