1. One Hundred Tenth Congress of the United States of America. Energy Independence and Security Act of 2007;One Hundred Tenth Congress of the United States of America:Washington, D.C., 2007; H.R. 6.
2. United States Environmental Protection Agency (U.S. EPA). Light-Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards; Final Rule;U.S. EPA:Washington, D.C., 2010; EPA-HQ-OAR-2009-0472, FRL-9134-6, NHTSA-2009-0059.
3. United States Environmental Protection Agency (U.S. EPA). Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends: 1975 Through 2010;U.S. EPA:Washington, D.C., 2010; EPA-420-R-10-023.
4. State of California Air Resources Board. Preliminary Discussion Paper—Proposed Amendments to California’s Low-Emission Vehicle Regulations—Particulate Matter Mass, Ultrafine Solid Particle Number, and Black Carbon Emissions;State of California Air Resources Board:Sacramento, CA, 2010; http://www.arb.ca.gov/msprog/levprog/leviii/meetings/051810/pm_disc_paper-v6.pdf.