The Union of Concerned Scientists (UCS) has the dirt on the efforts of the big three — General Motors, Ford and Chrysler — to mislead the public about the benefits of improved fuel efficiency. The automakers are holding a public rally as part of lobbying efforts to persuade federal legislators to abandon proposed fuel efficiency reform, according to UCS.

Diacetyl is a component of the artificial butter flavoring found in microwave popcorn. Exposure during the manufacturing process can cause a lung disease called bronchiolitis obliterans which reduces quality of life and causes premature mortality. Unfortunately, the disease has acquired the moniker "popcorn workers lung." While Congress is pushing for the Occupational Safety and Health Administration (OSHA) to issue a new regulation, the agency has taken a positive (albeit belated) step by examining regulations already on the books which could improve the situation.

Scientific advisory committees provide important, impartial advice on a wide range of issues. A committee's recommendations provide a strong analytical and scientific basis for agency rulemaking activity. EPA's Clean Air Scientific Advisory Committee (CASAC) is one of the federal government's most important.