Suherman, S.T, M.T education August 1998-July 2003-Medan Institute of Technology-Indonesia, Mechanical Engineering, Bachelor (B.Sc), January 2024-April 2007-Universitas Gadjah Mada-Mechanical Engineering-Master (M.Eng) Indonesia Arridina Susan Silitonga (A.S. Silitonga), [B.Sc, M.Eng, PhD] Education: September 2010-February 2014, University of Malaya Kuala Lumpur, Malaysia: Mechanical Engineering, Doctor of Philosophy (Ph.D), (Satisfied/10 publications ISI Q1) July 2007 – July 2009, University of Malaya Kuala Lumpur, Malaysia: Mechanical Engineering, Master (M.Eng), (CGPA 3.05/4.0) July 1998 – September 2002, University of Andalas Padang, Indonesia: Mechanical Engineering, Bachelor (B.Sc), CGPA (3.09/4.0) Thesis: Biodiesel production, characterization and engine performance using Jatrophacurcas, Calophyllum inophyllum and Ceiba petandra (Ph.D).Techno Economic Analysis and Environmental Impact of Implementation of Fuel Economy Standards and Labels for Passenger Cars in Indonesia (M.Eng). Analysis Characteristics of Heat Exchanger Double Pipe with fins and without fins (B.Sc).