This paper presents a survey on the objectives of the study to the state and trend of using liquefied petroleum gas and gas vehicles on passenger cars in the Bangkok metropolitan area in 5 roles: The installation.The price, wear, satisfaction in using. By using mean (Mean) and standard deviation (Standard Deviation) findings. In total, at a high level when the aspect.
.When compared by personal factors, statistical test, the T-testF-test and one-way analysis of variance (One-way ANOVA) when considering overall, it was found that gender, age, educational level, occupation, there was statistically significant difference level. 05 (Sig.? <.05) while the found that respondents with marital status. There are different opinions significantly. 05 (Sig. >.05) in terms of price, while the respondents with different income groups had different views on the installation. The satisfaction in use.
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