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 ...
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 ...
If you’ve been behind the wheel long enough, you’ve probably got your own DEF horror story. Maybe it was a sensor going out halfway up a mountain grade, forcing you into limp mode at 5 mph while ...