SSI Technologies, a designer and manufacturer of ultrasonic level, pressure and magnetic sensors and monitoring systems, announced an SCR System DEF combination sensor to monitor urea level, ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

EPA approved guidance allowing diesel manufacturers to replace urea quality sensors with NOx sensors in DEF systems. The agency said faulty DEF sensors are a significant source of warranty claims and ...

The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...

Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the air cleaner. After years of complaints about failure-prone diesel exhaust ...

GM has reissued a service bulletin describing a fix for several possible problems found in several 2020 through 2024 Chevrolet models, including the Chevy Silverado pickup truck, Chevy Tahoe SUV and ...

The EPA is targeting faulty DEF sensors with new guidance allowing a different type of sensor to monitor NOx emissions in diesel engines. In the Trump administration’s latest steps to address the ...

In Part 1 of this article, we explained popular liquid-level sensing methods and their limitations. We also delved into why capacitive-sensing techniques are superior to traditional methods used for ...