Hasith Perera, Shen Hosan, Dasith Wijesekara, Vimukthi Vithanage, Prasad Amarasingha, Niroshan Gunawardhana and Kaveenga Koswattage 2025. Technical Evaluation of Pumps in the Bio Energy Sector : Performance ,Efficiency and Sustinability Considerations. International Journal of Global Sustainable Research. 2, 11 (Mar. 2025), 813–834. DOI:https://doi.org/10.59890/ijgsr.v2i11.2920.