Mazda has a neat idea for what is basically a CO2 diaper that could be part of combustion-engine exhaust systems.

Four employees of an Orem repair shop are accused of administering fake emissions tests and giving passing marks to vehicles ...

Mazda’s mobile carbon capture device already shows promising results, and is ready to be integrated into future models.

As the global focus on climate change intensifies, emissions regulations are becoming a pivotal force in shaping the future ...

Big kudos to the Delegate from Carol County, Eric Bouchat. Del. Bouchat says he intends to introduce a bill to eliminate vehicle emission testing in ...

Trump has vowed to kill the US’s three parallel systems of emissions credits, in the name of lower car prices — including one ...

A SUV by Chinese car maker Chery and Toyota’s popular Camry hybrid showed the biggest gap between lab testing and real-world ...

It’s not quite an annual tradition, but once a vehicle turns six years old, Maryland drivers have to take their cars to a ...

Four individuals have been arrested and charged after allegedly conducting fraudulent vehicle emissions tests, allowing cars ...

Clark County has more than half a million dollars, annually, available to help residents pay for car emission repairs through its Smog Free Clark County program.