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Thune said California’s “are an improper expansion of a limited Clean Air Act authority and would endanger consumers, our economy, and our nation’s energy supply.”California Gov. Gavin Newsom and state air regulators say what lawmakers are doing is illegal and they will likely sue if the measure advances.

Here’s what to know:The Environmental Protection Agency has let the state adopt stricter emissions standards for decades, and other states can sign on to those rules.California has some of the nation’s worst air pollution, and the waivers date back to efforts in the 1960s and 1970s to fight smog in Los Angeles.

to enforce its standards during his first term, but President Joe Biden’s administrationNewsom, a Democrat, announced plans in 2020 to ban the sale of new gas-powered cars by 2035. State air regulators formalized the rules in 2022, and the federal government allowed them to move forward last year.

The rule requires automakers to sell an increasing number of zero-emission cars, pickup trucks and SUVs over the next decade. Electric vehicles would have to make up 43% of new sales by 2027, 68% by 2030 and 100% by 2035. People would still be able to buy used gas-powered cars, plug-in hybrids or hydrogen-powered vehicles.

California passed another rule in 2020 to phase out the sale of medium- and heavy-duty diesel vehicles, including box trucks, semitrailers and large pickups. Depending on class, zero-emission trucks will have to make up 40% to 75% of sales by 2035. The Biden administration approved that policy in 2023.This breaks from Milei’s current policy of letting the peso weaken at a pace of 1% against the dollar each month.

That crawling peg had drawn backlash from investors worried about the central bank burning through its reserves to prop up the peso. It was forced to spend $2.5 billion to defend the official exchange rate in just the past few weeks.When announcing the removal of exchange controls Economy Minister Luis Caputo insisted it was “not a devaluation.”

“The truth is, we don’t know where the dollar will end up,” he said.Milei’s team has sought to fend off a politically costly official devaluation of the peso that could push inflation much higher. Keeping a lid on rising prices — a flagship campaign promise — has helped the political outsider hold up approval ratings despite his