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What Is DEF and How Does It Work?

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...
Ultimate Classic Rock

Watch Def Leppard’s Live ‘Run Riot’ Video

Def Leppard released a new clip from their upcoming concert movie set London to Vegas, which had been set for launch via Eagle Rock on Apr. 24 but will now arrive on May 29. The video contains their ...
Transport Topics

EPA to Curb DEF Shutdowns in New and Existing Trucks

[Stay on top of transportation news: Get TTNews in your inbox.] The Environmental Protection Agency is directing truck manufacturers to revise software in new and existing trucks to prevent engine ...
The Drive

EPA Tells Truck Makers to Stop Forcing Immediate Limp Mode for Low DEF

The United States Environmental Protection Agency is on a roll when it comes to undoing past regulations and directives. Now, EPA Administrator Lee Zeldin is urging truck and engine manufacturers to ...
GM Authority

EPA Tells Diesel Engine Manufacturers To Stop Forcing Power Loss When DEF Runs Out

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...
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What Can Happen If You Use Expired Diesel Exhaust Fluid (DEF)?

It's no secret that diesel engines have experienced significant growth over the past two decades. Today, many manufacturers, including Subaru, Volkswagen, and Audi, are choosing diesel, as it is more ...