Yesterday, 16 states sued the U.S. Environmental Protection Agency (EPA) over its refusal to allow California to implement a program for reducing greenhouse gas emissions from vehicles. Had EPA granted California permission, the other 15 states in the suit would have adopted the California program. EPA administrator Stephen Johnson denied California's request on Dec. 19. Johnson claimed California's proposed program is unnecessary in light of a recent federal law which would tighten the national fuel economy standard and that a federal regulation is preferable to a "confusing patchwork of state rules." Johnson's argument is bogus. Had EPA approved California's request, other states could have adopted California's program (not created their own willy-nilly). The presence of two policies is neither confusing nor a patchwork. Furthermore, the Clean Air Act (not to mention the Constitution) contains provisions affording states the opportunity to enact their own regulatory schemes even if they are stricter than federal standards. EPA insiders have acknowledged Johnson's decision does not hold water and will likely be overturned in court. But, since federal lawsuits take months or years, the Bush administration will still achieve its goal: delaying any meaningful action on climate change for eight long years. Some progress may occur in the short term if Congress moves swiftly with focused oversight hearings. Rep. Henry Waxman (D-CA), chairman of the House Oversight and Government Reform Committee, and Sen. Barbara Boxer (D-CA), chairwoman of the Senate Environment and Public Works Committee, have both requested EPA documents and communications related to Johnson's decision. EPA's general counsel has instructed agency personnel to provide said material, including any evidence of communications with the White House, according to the Associated Press. Although congressional attention will alter policy, identifying who is responsible for the denial of the California's request will allow the public to hold the culprits accountable.