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Washington � The Supreme Court on Friday said it will wade into a case
over whether California can set its own vehicle emissions standards under
a scheme laid out in the Clean Air Act.

The case involves a section of the law that preempts states from setting
their own emissions standards for new vehicles. But the act exempts any
state that had rules in place before March 1966, just after the law was
amended to regulate automobile emissions, that are "at least as protective
of public health and welfare" as the federal requirements.

California was the only state that regulated vehicle emissions before
1966, and therefore is the only state eligible for a waiver. In order to
obtain a waiver, California must show that it needs its own emission
standards "to meet compelling and extraordinary conditions." The Clean Air
Act also allows other states to adopt California's vehicle emissions
standards.

Since the Clean Air Act was enacted, the EPA has granted California more
than 75 waivers for its vehicle emissions program. In 1993, the agency
granted a waiver for the state's zero emission vehicle standards. It did
so again in 2019 for California's first set of greenhouse-gas emissions standards.

In 2012, California put in place the Advanced Clean Car standards, which
aimed to reduce emissions of greenhouse gases like carbon dioxide and
other pollutants by increasing requirements for zero- and low-emission
vehicle sales in the state for model years 2015 through 2025. The
standards govern all new passenger cars, light-duty trucks and medium-duty vehicles.

The EPA issued a waiver to California for those regulations in 2013, and
car manufacturers started working to comply with the new emissions
standards. But the agency revoked the waiver as to the zero-emissions and greenhouse gas requirements during the Trump administration in 2019. In
2022, under President Biden, it was reinstated again.

The EPA said at the time that California is "particularly impacted" by
climate change, citing wildfires, heat waves, floods and droughts. These climate change impacts are "compelling and extraordinary conditions," the standard for a waiver under the Clean Air Act, the agency said.

Several big automakers, including Volvo, Stellantis, Ford, Volkswagen, BMW
and Honda, have all agreed to comply with California's more stringent
vehicle standards.

A group of 17 states, led by Ohio, and fuel companies asked the federal
appeals court in Washington to review the EPA's reinstatement of the 2013 waiver. The states argued the waiver provision in the Clean Air Act
violates the Constitution by treating California differently from the
other states, while the fuel producers said they are harmed by
California's requirements because they depress the demand for their
product by requiring vehicle manufacturers to sell automobiles that use
less or no liquid gas.

The U.S. Court of Appeals for the District of Columbia Circuit sided with
the EPA in April. As to the states, the court found that Congress has been granted the authority to regulate interstate commerce, including vehicle emissions, and it was the legislative body that laid out the Clean Air
Act's preemption and waiver scheme. The three-judge panel also said the
fuel producers did not have the legal right to sue.

"The nature and extent of equality between the states has been a central
debate throughout our country's history, from the founding to the
admission of new states and beyond," D.C. Circuit said in an unsigned
opinion. "But state petitioners point us to no meaningful support for
their novel request to apply the equal sovereignty principle as a
categorical limit on Congress's power to regulate interstate commerce."

Both the companies and the states appealed to the Supreme Court, arguing
the D.C. Circuit's decision is incompatible with the Constitution because Congress doesn't have the power to elevate a single state above the other
49.

The Supreme Court said Friday it would review only whether fuel producers
can point to the waiver's effect on automakers to show they have standing
to sue. The justices declined to review whether the EPA's waiver for
California is unlawful.

California and the Biden administration urged the Supreme Court to turn
down the case and uphold the Clean Air Act's waiver provision.

The dispute is one of several to land before the Supreme Court in recent
years involving the Clean Air Act and efforts to tackle air pollution.

In June, the Supreme Court blocked the agency's so-called "good neighbor"
plan, which aims to curb air pollution and address harmful smog. Two years earlier, in the summer of 2022, the high court found Congress didn't grant
the EPA the authority under the Clean Air Act to set emissions caps based
on the generation-shifting approach taken through the Clean Power Plan
rule.

But in cases that have arrived before the Supreme Court in an emergency posture, the justices have declined to intervene. In a trio of disputes,
the high court temporarily allowed the EPA to continue enforcing more
stringent standards on emissions from coal-fired power plants and new and existing oil and gas facilities.

https://www.cbsnews.com/news/supreme-court-california-epa-waiver-vehicle- emissions-standards/?intcid=CNI-00-10aaa3a

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