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

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

U.S. Environmental Protection Agency Administrator Lee Zeldin announced guidance Tuesday for engine and equipment ...

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

At the Iowa State Fair, EPA Administrator Lee Zeldin announced they are proposing an EPA DEF fix promising millions in ...

EPA's Lee Zeldin will repeal of Obama-era endangerment finding that classified carbon dioxide as a pollutant, projecting job ...

Environmental Protection Agency (EPA) Administrator Lee Zeldin shut down CNN host Kasie Hunt Sunday on “State of the Union,” ...

Zeldin defends decision to axe EPA statute regulating auto, aviation and energy industries, calling it largest deregulatory ...

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

Readers' reactions flowed back at the administrator of the Environmental Protection Agency after he argued for building the ...

Environmental Protection Agency Administrator Lee Zeldin is moving to rescind the emissions finding that underpinned $1 ...