Cold starts are the dirtiest moment—Bosch thinks it’s solved them with fire.

A major discovery is reshaping how scientists think about catalysts. Researchers have, for the first time, captured oxygen ...

Your vehicle's O2 sensor plays a significant role in its performance and if it's faulty, it's not something you should ignore. Here's what you need to know.

Passenger video captures unusual cockpit repair, raising questions about critical aircraft sensors and routine safety decisions.

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 ...