nitrogen oxide

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EPA "Good Neighbor" smog rule
Credit: RVWithTito.com/Flickr

EPA's smog control rule works, but legal hurdles persist

Nitrogen oxide emissions were reduced 18% in 10 states under the U.S. Environmental Protection Agency's recently enacted "Good Neighbor" rule but legal challenges hinder the rule's broader impact.

Akielly Hu reports for Grist.

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Report: Fossil fuel equipment in Md. buildings causes more smog than power plants

Advocates are seeking a statewide air quality standard for HVACs and water heaters.
monitoring indoor air quality
Janel/Flickr

I bought a CO2 monitor, and it broke me

I thought I could fix the air quality in my apartment. I was wrong.
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hydrogen station

Hydrogen: The next clean fuel. Maybe

Hydrogen has stolen the heart of many a clean energy wonk. But with big investments on the horizon, its climate credentials are coming under deepening scrutiny.

Oil and gas operator pays millions for Clean Air Act violations

Oil and gas operator pays millions for Clean Air Act violations

Public prosecution 'a great model' for future suits against polluters.
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Jonathan Levy: Is your gas stove bad for your health?

Jonathan Levy: Is your gas stove bad for your health?

Natural gas has been marketed for decades as a clean fuel, but a growing body of research shows that gas stoves can contribute significantly to indoor air pollution, as well as climate change.
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