A unanimous Supreme Court has held that the Federal Motor Carrier Safety Administration (FMCSA) did not violate U.S. environmental law by failing to conduct an environmental impact statement (EIS) of increased pollution from allowing Mexican trucks to operate in the United States beyond limited border zones. The Court's decision reversed the opinion of the Ninth Circuit Court of Appeals. That ruling required FMCSA to consider the pollution increase in a full EIS prior to issuing regulations governing applications and safety inspections for Mexican trucks to operate in the United States.

Government air quality modeling experts from around the country are opposing a new Bush administration policy, which they contend threatens air quality and public health. They are among a growing number of scientists and other critics, who charge the Bush administration with manipulating science to support predetermined political outcomes. Most significantly, this may be the first time such criticism has been leveled from scientists inside a federal agency.

White House staff prompted the development of a controversial proposed overhaul of the entire structure of automobile fuel economy regulation aimed at diminishing standards. Foremost among the architects of the change was John Graham, administrator of OMB's Office of Information and Regulatory Affairs (OIRA).