The Obama Administration warns that automakers could be hit with unintended acceleration of  their costs if Congress succeeds in blocking EPA greenhouse gas emissions. The Detroit News reports:

In a letter to congressional leaders, the National Highway Traffic Safety Administration’s chief counsel, O. Kevin Vincent, said Congress would jeopardize a deal reached by automakers, California and the White House if it blocks the EPA from using its power to limit greenhouse gases.

California and a dozen states could go forward, each with its own rules, if Congress blocks EPA from setting national standards. That would have the impact of “creating confusion, encouraging renewed litigation, and driving up the cost of compliance to automobile manufacturers and consumers alike,” Vincent wrote.

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