Why cancer-causing pollution from oil refineries is falling: In an environmental success story, refineries have reduced their emissions of benzene due to federal regulations and oversight.

Blame everyone. My brother-in-law works for a refinery. They get beat up in the news and by politicians all the time, but when they need something it always happens - even in California. Which shouldn't surprise - people say they want things like clean air until they discover it means gas prices go up (or they can't drive their car at all) and suddenly they don't care are all.

He can't — preemption means federal rules override state ones.

The largest controllable methane contributors are livestock and landfills. They need systemic reform, like lab-grown meat or incinerate and capture systems. You can’t stop a cow from farting with legislation.