Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...
New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...
EPA’s latest move on diesel exhaust fluid systems aims to reduce unexpected derates and costly downtime, both persistent ...
The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...