The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

Breaking news, the EPA is forcing engine makers to reveal the truth behind their DEF systems for repairs, warranty claims to ...

The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...

The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel ...

The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...

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.

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

Diesel aftertreatment system features integrated soot blower which offers greater NOx reduction and enhanced catalyst performance IMABARI, Japan--(BUSINESS WIRE)--Tenneco (NYSE: TEN), a leading global ...

Crystal contamination can be eliminated by adding Rislone DEF Crystal Clean ® Diesel DEF & SCR Emissions System Cleaner (part #4784) to the vehicle’s DEF/AdBlue ® tank. Once the system is clean, use ...

In any automotive braking system, the linchpin factor is pressure. When you press on the brake pedal in your car, for instance, pressurized brake fluid is distributed to the pistons in wheels, which ...

Internal combustion engines — including those that run on diesel fuel — rely on various systems, accessories, and electronics to keep the pistons moving and your wheels turning. Of those systems and ...