Barnitt, R., and K. Chandler. 2006. New York City Transit (NYCT) Hybrid (125 Order) and CNG Transit Buses: Final Evaluation Results, Golden, Colo.: NREL (National Renewable Energy Laboratory). Rep. no. NREL/TP-540-40125, Nov.
DOE (U.S. Department of Energy). 2006a. 21st Century Truck Partnership Roadmap and Technical White Papers. Doc. No. 21CTP-003. Washington, D.C. December.
DOE. 2006b. FreedomCAR and Vehicle Technologies Program, Multi-Year Program Plan: 2006-2011. Chapter 3, Vehicle Systems. Washington, D.C.: DOE, Office of Energy Efficiency and Renewable Energy. September.
Eaton Corp. 2006. News release: Eaton Announces Plans to Develop Heavy-Duty Hybrid System for Trucks, June 23. Available at http://truck.eaton.com/news_19.htm. Accessed May 13, 2008.
Energy Policy Act of 2005 (Public Law 109-58, August 8, 2005). Available at www.doi.gov/iepa/EnergyPolicyActof2005.pdf. Accessed May 13, 2008.
Green Car Congress. 2006. NYC Hybrid Buses Improve Fuel Economy 45 Percent Over Diesel, 100 Percent Over CNG, Feb. 27. Available at http://www.greencarcongress.com/2006/02/nyc_hybrid_buse.html. Accessed May 13, 2008.
Nikkel, Cathy. 2006. EPA Innovates Hydraulic Hybrid System, Aug. Available at http://www.automedia.com/EPA_Innovates_Hydraulic_Hybrid_System/dsm20060801eh/1. Accessed May 13, 2008.
NRC (National Research Council). 2000. Review of the U.S. Department of Energy’s Heavy Vehicle Technology Program. Washington, D.C.: National Academy Press.
NRC. 2005. Review of the Research Program of the FreedomCAR and Fuel Partnership: First Report. Washington, D.C.: The National Academies Press.
Pellerin, C. 2005. Wind Power World’s Fastest-Growing New Electricity Source; Financial incentives, technology critical for further development. Washington, D.C.: U.S. Dept. of State, International Information Programs, April 23. Available at http://usinfo.state.gov/xarchives/display.html?p=washfile-english&y=2005&m=April&x=20050423130541lcnirellep0.9051172 . Accessed May 13, 2008.
Regner, G., H. Teng, and C. Cowland. 2006. A Quantum Leap for Heavy-Duty Truck Engine Efficiency—Hybrid Power System of Diesel and WHR-ORC Engines, AVL Powertrain Engineering. Paper presented at DEER (Diesel Energy Efficiency and Emissions Research) Conference, Detroit, Aug. Available at http://www1.eere.energy.gov/vehiclesandfuels/pdfs/deer_2006/session6/2006_deer_regner.pdf. Accessed May 13, 2008.
van Amburg, Bill. 2006. Hybrid Truck Users Forum, HTUF Utility Working Group: Utility Hybrid Truck Project Update, January. Available at http://www.calstart.org/programs/htuf/. Accessed May 13, 2008.