The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...
The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...
Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...
The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...
Removing an emissions device, while no longer a criminal matter, still represents risk for haulers. One responded to EPA and DOJ's recent moves on DEF faults and diesel derates, even questioning ...
The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about ...
EPA asked manufacturers for info in hopes to "PERMANENTLY eliminate the deratements ENTIRELY," agency boss Lee Zeldin said.
The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel ...
Under today's guidance, EPA says farmers can temporarily override emissions systems to make repairs, as long as the equipment ...
While engine performance across manufacturers has largely been balanced in recent years, the 2026 changes could deliver significant, potentially decisive gains. In 2014, when F1 first introduced ...
Changes include a 50-50 power split between electric and internal combustion engines, plus sustainable fuel. Do F1 cars and ...
Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...