The development of the Pre-Trip Inspection Manual for the Compressed Natural Gas (CNG) Truck

Abstract

       The objectives of this research were 1) to develop the pre-trip instruction manual for the compressed natural gas (CNG) truck and 2) to study the implementation results of using the pre-trip instruction manual.  The target group of this research was the 15 CNG truck drivers derived from the purposive sampling method.  The research methodology was divided into 3 steps: (1) the study of relative documents, data, and relative research about the pre-trip inspection and the CNG system. (2) the development of the pre-trip instruction manual for the CNG truck, and (3) the implementation of the developed pre-trip instruction manual for the CNG truck. The research data were analyzed by the mean and the standard deviation value.

       The results revealed that the pre-trip inspection manual for the CNG truck was comprised of 3 main topics: (1) document verification, (2) the CNG truck inspection according to BEWAGON guidelines, and (3)the safety and transportation equipment for the vehicle while, for the appropriateness of the manual, the 10 experts rated the pre-trip instruction manual for the CNG truck at a very high level. For the results of the implementation of the inspection manual, the mean score of behavioral assessment for the CNG pre-trip inspection job was 86.67% which was higher than the set criteria at 75% and the satisfaction of the pre-trip inspection manual was rated at a high level.