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2. Lim H. Study of exhaust emissions from idling heavy-duty diesel trucks and commercially available idle-reducing devices. US Environmental Protection Agency, EPA420-R-02-025. Office of Air and Radiation, Ariel Rios Building, 1200 Pennsylvania Avenue, NW, Washington, DC, 2002.
3. Levinson T. Anti-idling laws and regulations. In: Proceedings of the maintenance council annual meeting. Nashville, TN: 2001. See also 〈http://www.transportation.anl.gov/ttrdc/pdfs/TA/73.pdf〉.
4. National Energy Policy Development Group (NEPDG). National energy policy: reliable, affordable, and environmentally sound energy for America's future. Report of the National Energy Policy Development Group. US Office of the Vice President, Washington, DC. The White House, 1600 Pennsylvania Avenue NW,Washington, DC, 2001.
5. IdleAire. Idleaire deployment. 410 N. Cedar Bluff Road, Suite 200, Knoxville, TN 37923, 2004. See also: 〈http://www.idleaire.com/about/deployment〉.