PrefaceChapter 1: Properties and Processing Technologies of Structural MaterialsExperimental Analysis of the Mechanical and Machining Properties of an Aluminium Hybrid Metal Matrix CompositeStudy of the Mechanical Properties of Polyester Based GFRP Composites in E-Waste from Mobile Phones DisplaysStudy the End Milling Machinability Properties of Al 6061/WC Aluminium Metal Matrix CompositesA Study on the Machinability of Wire Electrical Discharge Machining of Nickel Alloy Using Taguchi Grey ApproachChapter 2: Materials for Energy StorageEffect of Acid-Assisted Hydrothermal Carbonization Temperatures on the Hydrochar Properties for Supercapacitor ApplicationSynthesis of Metal-Free Carbon Aerogel with Nitrogen-Doped from Pyrolysis of Cellulose Aerogels Based on Coir Fibers Using Ammonia-Urea System as Electrocatalyst of Oxygen Reduction Reaction for Cathode in Seawater BatteriesSynthesis and Characterization of N-Doped Carbon Aerogel Based on Oil Palm Empty Fruit Bunch as Oxygen Reduction Reaction Electrocatalyst in Seawater BatteriesChapter 3: Biofuel Production and Biomass TreatmentCharacterization of Coffee-Pulp Biochar as an Additive to Enhance Biogas Production from Coffee MucilageBiogas Production from Palm Oil Mill Effluent Using Dielectric Barrier Discharge Integrated with the Aerated Condition: Evaluation Based on Stoichiometric Simulation and Kinetic StudyBiodiesel Production Using Catalyst Na2O/Fly Ash from Waste Cooking Oil (WCO) with Transesterification ProcessPurification of Triglyceride from Used Cooking Oil for Biodiesel Feedstock Using Batchwise Solvent ExtractionSynthesis of Sulfonated Carbon Aerogel from Coir Fiber as Solid Acid Catalyst for EsterificationComparative Analysis on Microwave and Pressure Cooker Pre-Treatment of Lignocellulosic Biomass in Glucose Production via Fungal TreatmentMill Scale - Biomass Pellet as a Charged Material for EAF SteelmakingChapter 4: Heat and Mass Transfer in Engineering SystemsNanofluid Heat Transfer Coefficient Enhancement Using ConnectorsStability Evaluation of Nanofluids Suitable for Enhanced Oil RecoveryA New Artificial Staggered-Grid Central Difference Solution for Checkerboard Problem in Incompressible, Steady, Inviscid, and Quasi-One-Dimensional Flow through Convergent NozzleHeat Transfer of Air-Water Flow in Wavy Microchannels