Morning Overview on MSN

EPA drops DEF sensor requirement after Trump push, reports say

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

Will the end of DEF sensors mean a reduction in its consumption?

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...