President Obama has unveiled his proposal for new, tougher national fuel-efficiency standards for automobiles, the purpose of which would be to reduce emissions of greenhouse gases. According to a White House press release, the average fuel economy standard would be 35.5 mpg beginning in 2016, four years ahead of the schedule outlined in the Energy Policy Act of 2007. According to the administration, the net effect of the new standards would be a decreased reliance on foreign oil, cleaner and more efficient cars, and a decrease in greenhouse gas emissions. Based on the press release, the effect of the new standard will be equivalent to taking 177 million cars off the road. The plan has broad support in the both the environmental and automotive communities. And details will become available as EPA and DOT engage in a joint rulemaking process to effectuate President Obama's plan.