The Environmental Protection Agency and the National Highway Transportation and Safety Administration have taken a crucial step in addressing our greenhouse gas emissions and oil dependency by regulating the fuel efficiency of heavy-duty trucks for the first time. That said, there is room for improvement.
By proposing these regulations, the agencies have tried to respond to legal obligations and to the growing risks associated with greenhouse gas emissions and energy dependence. The recommendations contained in this report will allow the agencies to more efficiently and effectively meet these goals.