PTT leads efforts to replace diesel with gas.

Apr. 5--PTT Plc has co-operated with a number of transport and automotive companies in two pilot projects aimed at modifying the diesel engines of heavy vehicles to use natural gas and replacing the diesel engines altogether.

The first project aims to modify buses and trucks to use natural gas for vehicles (NGV). Eight major transportation service providers will have 10 of their buses and trailers modified and fitted with the necessary equipment.

The eight transportation companies are Cherdchai Industry Co, SK Tour and Service, Lat Krabang Co, Thai Trailer Transport Co, TP Transport Partnership Ltd, MML Transport Co, United Motor Sales Co, and Wangkarnkij …