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An Evaluation of Compressed Natural Gas Buses in Small Transit Operations
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English
Abstract
The importance of reducing NOx emissions in many urban areas has led to the development of compressed natural gas (CNG) engines for transit bus applications. These lower emission vehicles have led potential operators to question the applicability of this new technology in service. To address the concerns of transit operators, especially those with small systems, Yolo County Transit Authority (YCTA) put into service four CNG-powered BIA-Orion V buses with Cummins L10G engines. Performance data were collected for these four vehicles and four control diesel buses over an 18-month period. The results demonstrated that CNG vehicles can be successfully incorporated into small operator fleets and can perform as well as or better than their diesel counterparts.
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Wool, W., Jackson, M., and Bassett, T., "An Evaluation of Compressed Natural Gas Buses in Small Transit Operations," SAE Technical Paper 960769, 1996, https://doi.org/10.4271/960769.Also In
References
- “Baseline Advanced Design Transit Coach Specification,” Urban Mass Transportation Administration, U.S. Department of Transportation Washington, D.C. November 1978
- Jackson, M.D. “Meeting Notes from December 3, 1993, Sacramento Regional Transit Testing Protocol for CNG Buses,” Acurex Environmental Memorandum March 26 1993
- Wool, Wendy Jackson M.D. “Coastdown Testing of BIA - CNG Bus,” Acurex Environmental Memorandum April 9 1993
- SRTD CNG “Emissions Testing Summary” Tom Swenson of Sacramento Air Quality Management District August 26 1993
- Lonyai, F. et al. “The Orange County Transportation Authority's Cleaner Air Through Reduced-Emission Systems (OCTA CARES) Program,” SAE Paper No. 942318 November 1994