Energy, Materials and Product Design is an open-access journal and published by the Department of Mechanical Engineering, Faculty of Engineering, University of Mataram, Mataram, West Nusa Tenggara, Indonesia. Articles that have been approved and published in journals can be accessed by everyone at https://journal.unram.ac.id/index.php/empd/index. Energy, Materials and Product Design is a forum for publishing research results, case studies, and reviews related to mechanical engineering, such as energy, materials, product design, and ergonomics, which can influence other engineering fields. The scope of this journal is the field of mechanical engineering, including research or case studies related to heat exchangers, energy conversion including solar, wind, marine, biomass, heat storage, materials and components including manufacturing and metallurgy, electric vehicles or their components, as well as Ergonomics applications in tool and work station design. Articles can be written in Indonesian and English according to the Energy, Materials and Product Design journal guidelines.