Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely exp ...

Most vehicles need catalytic converters not only so they perform at their best, but also because it's the law. Here's how they work and why they are required.

"NCT Inspectors may refuse to test the vehicle because low oil levels can cause issues with exhaust emissions tests or damage ...

Researchers from the Norway-based research company, SINTEF, have designed a simpler carbon capture technology called a ...

California air regulators will vote Friday on updates to a key climate program aimed at reducing planet-warming emissions ...

During testing, rather than the actual measurement of emissions elements, an estimated value was used as the result in some cases. In others, engine parts were changed in the course of the test.

Because my 1996 Subaru Sambar Dias II Maleza Super Charger kei van is registered legally in Denver County (rather than using ...

Gulfstream Aerospace has completed ground emissions testing of 100% neat sustainable aviation fuel (SAF) with zero sulfur on ...

New England’s last running coal-fired power plant, Merrimack Station in Bow, passed an emissions test over the summer that it struggled to complete for more than a year. But only one of its two ...

STAX Engineering, based in Long Beach, California, has experienced significant growth since launching its innovative emissions capture ... flexible exhaust capture system is designed to fit ...

Also, the Environmental Protection Agency has adopted stricter tailpipe-emissions rules. Biden has set a goal for ... why am I paying for a device to check my impairment? It adds cost.” But in 2022, ...

The first car dealer ever elected to the U.S. Senate says the Trump agenda for the U.S. auto industry is one that, if enacted ...