David Vladeck, Public Citizen Litigation Group, Washington, DC, Randi Bandman, Milberg, Weiss, Bershad, Hynes & Lerach LLP, Stanley S. Mallison, Esq., Patrick J. Coughlin, Lerach, Coughlin, Stoia & Robbins, LLP, Stephen P. Berzon, Esq., Jonathan Weissglass, Esq., Altshuler, Berzon, Nussbaum, Rubin & Demain, San Francisco, CA, Albert H. Meyerhoff, Esq., Mil-berg, Weiss, Bershad, Hynew and Lerach LLP, Los Angeles, CA, Patrick W. Daniels, Esq., Milberg, Weiss, Bershad, Hynes and Lerach LLP, William S. Lerach, Esq., Lerach, Coughlin, Stoia & Robbins LLP, San Diego, CA, Charles S. Crandall, Esq., Law Offices of Charles Stevens Crandall, San Luis Obispo, CA, for Petitioners., Jon P. Devine, Jr., Esq., Natural Resources Defense Council, Washington, DC, Gail R. Feuer, Natural Resources Defense Council, Santa Monica, CA, Adrianna Quintero Somaini, Esq., Natural Resources Defense Council, San Francisco, CA, for Petitioners-Intervenors., Administrator, National Highway Traffic Safety Administration, Joseph M. Clapp, Esq., Office of the Administrator, John L. Smeltzer, Esq., Andrew C. Mergen, Esq., U.S. Department of Justice, Washington, DC, General Counsel, Department of Transportation, Jocelyn Burton, Esq., Office of the U.S. Attorney, Nicholas R. Walsh, San Francisco, CA, for Respondents.