Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

Diesel engines run hot under load, but extreme heat means trouble. Here are the hidden causes of rising exhaust temps and how to keep them in check.

There are a few different solutions you can use to remove sludge and other contaminants from your car's engine, but soapy water should not be one of them.

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 ...

EPA Administrator Lee Zeldin and U.S. Small Business Administration (SBA) Administrator Kelly Loeffler published an op-ed in the Des Moines Register today during their trip to Iowa detailing how the ...

The news from the Environmental Protection Agency concerning aftertreatment system faults in heavy-duty diesel trucks Tuesday this week, as previously reported, urged software updates to processes for ...

The Trump administration has issued new guidance on diesel exhaust fluid (DEF) systems aimed at avoiding sudden engine shutdowns that sideline trucks and cost truckers money. U.S. Environmental ...

EPA is rolling out new guidance for manufacturers of farm equipment and other heavy-duty vehicles, removing regulatory red tape requiring diesel-powered farm equipment to reduce engine torque ...

The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run out of diesel exhaust fluid or have a ...

U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin on Tuesday urged engine and equipment manufacturers to revise system software to prevent sudden loss of power from engine derates ...

Lee Zeldin is administrator of the U.S. Environmental Protection Agency. Kelly Loeffler is administrator of the U.S. Small Business Administration. The U.S. Environmental Protection Agency, working ...