Experimental Studies on a Natural Gas Vehicle

Paper #:
  • 942005

Published:
  • 1994-10-01
Citation:
Ishii, M., Ishizawa, S., Inada, E., Idoguchi, R. et al., "Experimental Studies on a Natural Gas Vehicle," SAE Technical Paper 942005, 1994, https://doi.org/10.4271/942005.
Pages:
13
Abstract:
This paper presents the results of several studies conducted on a natural gas vehicle. In one study of engine-out emissions performance, the exhaust emissions of the CNG engine were lower than those of the base gasoline engine. In another study of the conversion characteristics of three-way catalysts, it was found that the conversion efficiency of total hydrocarbons (THCs) was much lower in the lean-mixture region for the NGV. The reduced efficiency was traced to lower conversion and poor reactivity of low-end hydrocarbons and to a higher concentration of H2O.
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