How Vermont May Force the Auto Industry and Congress to Address Climate Change

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By Mark Clayton, Christian Science Monitor

When historians finally take stock, Vermont may look like the mouse that roared -- the tiny state that brought the nation's mighty auto industry to heel by requiring cars that emit fewer greenhouse gases.

This is one scenario that could unfold following a federal judge's ruling Wednesday, which upheld a Vermont law patterned after California's mandate that the carbon-dioxide emissions of cars sold in the state must be slashed 30 percent by 2016.

The judge's finding -- that federal fuel-economy laws are not in conflict with state emissions laws -- is particularly significant, coming on the heels of a US Supreme Court decision in April. That ruling found that the Environmental Protection Agency has the authority to regulate greenhouse-gas emissions, legal experts say.

On the one hand, Wednesday's decision strengthens the hand of states that want to take action against global warming. But in the longer term, the impact from the ruling could lead to one nationwide standard, which is already expected by many.

In addition to the 12 states with California-style laws on the books, another six are close to acting. The ruling this week could start dominoes falling by:

* Prompting the US EPA to grant California a waiver from the Clean Air Act allowing it, along with Vermont and the 10 other states with identical laws, to begin enforcing greenhouse-gas requirements for cars sold within their borders.

* Causing six additional states -- Arizona, Florida, New Mexico, Utah, Illinois, and Minnesota -- to proceed with their own similar emissions requirements. Altogether, the 18 states that have such laws -- or are leaning toward them -- make up about half the US auto market.

* Spurring Congress to reconsider the new fuel-efficiency standards it is currently weighing, which are not as demanding as Vermont's, and mandate a tougher federal requirement that would also reduce greenhouse-gas emissions.

* Causing federal judges in two similar cases brought by the auto industry -- one in California, the other in Rhode Island -- to dismiss those cases if they determine the industry has had its day in court and further proceedings would be redundant, according to environmental lawyers.

The efforts by the 12 states with laws in place could cut emissions by 100 million tons annually. By comparison, however, US cars and light trucks emit 1.5 billion tons annually.

Still, this would be "the most significant step so far" on vehicle emissions and pave the way for broader action, says Michelle Robinson, director of the clean vehicle program at the Union of Concerned Scientists, a Washington environmental group not party to the lawsuit.

Mark Clayton is a staff writer for the Christian Science Monitor.

[Jasman0717 9]

To me the California regulations seemed to have helped. It still isn't all that good but better than before.