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The Texas Project, Part 5 - Economic Analysis: CNG and LPG Conversions of Light-Duty Vehicle Fleets
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Abstract
The Texas Project was a multi-year study of aftermarket conversions of a variety of light-duty vehicles to CNG or LPG. One aspect of this project was to examine the factors that influence the economics of fleet conversions to these alternative fuels. The present analysis did not include longer-term effects (such as possible increases in exhaust system life or increases in tire wear). Additionally, assumptions were required to estimate the costs of repairs to the alternative fuel system and engine. Other factors considered include conversion cost, fuel prices, annual alternative fuel tax (as applied for the state of Texas), annual miles accumulated, and the percent miles traveled while using the alternative fuel for dual fuel conversions.
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Citation
Dardalis, D., Matthews, R., Lewis, D., and Davis, K., "The Texas Project, Part 5 - Economic Analysis: CNG and LPG Conversions of Light-Duty Vehicle Fleets," SAE Technical Paper 982447, 1998, https://doi.org/10.4271/982447.Also In
References
- Matthews, R.D. Chiu J.P. Zheng J. Wu D.-Y. Dardalis D. Shen K. Roberts C.E. Hall M.J. Ellzey J.L. Mock C. Wicker R.B. Jaeger S. 1996 “The Texas Project: Part 1 - Emissions and fuel economy of aftermarket CNG and LPG conversions of light duty vehicles” SAE Paper 962098 Topics of Alternative Fuels and Their Emissions Society of Automotive Engineers Special Publication SP-1208 1996 Journal of Fuels and Lubricants 105 2186 1996
- Wu, D-Y Matthews R. R. Popova E. T. Mock C. 1998 “The Texas Project: Part 4 - Final results: emissions and fuel economy of CNG and LPG conversions of light duty vehicles.” SAE paper 982446
- Chiu, J. Matthews R.D. 1996 “The Texas Project: Part 2 - Control system characteristics of aftermarket CNG and LPG conversions for light-duty vehicles” SAE Paper 962099 Topics of Alternative Fuels and Their Emissions Society of Automotive Engineers Special Publication SP-1208 1996 Journal of Fuels and Lubricants 105 2206 1996
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