Colorado air pollution regulators spend a lot of time thinking about greenhouse gases that create a smog across the Front ...

Iowa recently fined Cargill for air emission violations and says the company still isn't in compliance — and won't be until ...

The mysterious white-grey streak in the sky that appears alongside the Northern Lights has been explained by scientists for ...

Researchers have developed new measurement techniques and methods to measure emissions from category-L vehicles in realistic operation and to determine corresponding limit values.

New York Governor Hochul announces a $100 million fund to support the adoption of zero-emission vehicles by transit providers ...

At least 22 volcanic earthquakes, including seven volcanic tremors, that spanned 10 minutes to 62 minutes long were recorded.

This initiative comes at the cost of increasing prices for CEVs by about 12-15% on average which varies on equipment types.

State funding hopes to promote adoption, but some in the trucking industry want the mandates to roll out more slowly.