Johnson used the energy bill that was signed into law by the President today as part of the rationale for the decision. Since the new fuel economy regulations apply to all fifty states denying the waiver would avoid having multiple state level regulations that would make life more difficult for carmakers. Immediately following the announcement California Attorney General Jerry Brown said he and Gov. Arnold Schwarzenegger would sue the EPA at the earliest possible time to overturn the decision.
[Source: San Francisco Chronicle]