President Joe Biden’s Environmental Protection Agency announced a final quartet of rules on Thursday to limit climate-warming emissions from existing coal and new gas-powered plants, as well as reduce mercury, wastewater, and coal ash pollution from coal facilities.

While several environmental groups and climate advocates praised the new rules, others pointed out that they still exclude emissions from existing gas-powered plants, which are currently the nation’s leading source of electricity. A rule on these plants has been pushed into the future, likely until after the November election, which means they may not be regulated for years if pro-fossil fuel Republican Donald Trump retakes the White House.

“We don’t have time for this half-assed BS, EPA!” Genevieve Guenther, founding director of End Climate Silence, wrote on social media. “Later is too late.”

The carbon dioxide rule is the first federal rule to limit climate pollution from currently running coal plants, according to The Associated Press. It mandates that coal plants that intend to operate past 2039 and new gas-powered plants must cut their carbon dioxide emissions by 90% by that date. The EPA calculates that this would cut CO2 emissions by 1.38 billion metric tons by 2047, which is equal to taking 328 million gas-powered cars off the road or cancelling power sector emissions for almost a year. By the same date, it would cost the industry $19 billion to comply, but generate a net $370 billion in economic benefits due to reduced costs from healthcare and extreme weather. It would also prevent as many as 1,200 early deaths and 1,900 new asthma cases in 2035 alone.

The effect of the rule would be to force coal plants to either cease operations or find a way to remove their emissions with carbon, capture, and storage technology, according to the AP.

“The EPA’s new rulemaking once again claims that carbon capture is an effective........

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