The agricultural sector in the area of Hua Mueang Subdistrict, Song District, Phrae Province, uses a 9-horsepower petrol engine to pump water from the Yom River to agricultural areas. This causes the problem of higher fuel costs in pumping water. Each time, the cost of fuel is 200-300 baht per rai for pumping 1 rai per day. Additionally, it can pump water to a depth of only 12 meters, with a volume of 6,000 liters per hour, and can deliver water in a limited area (around the pumping point). Th