1. The number of NGV vehicles is rapidly increasing. The use of NGV sales increased over three-fold, from approximately 380 tons per day by the end of year 2549 increased to over 1,350 tonnes per day at present. While the stations are not covering. Making the waiting time (Compare the car's year-end 2549 amounted to 25,000 units, while the number of vehicles increased to 65,600 units as of 4 March 2551).
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