Sustainable energy supply is essential for realising Malaysia׳s vision to become a high-income country. This edited volume comprises of ten chapters which cover stuides on conventional and renewable energy research and applications available in Malaysia. Topics covered in this book include renewable energy generation using biomass and its potential; technology adopted in producing cleaner energy involving innovative process design and fuel cell system; carbon removal and energy carrier for solar cell and natural gas; and assessment of the energy applications from safety point of view. This book provides different insights for multidisciplinary researchers, scientists and professionals in exploring new developments in renewable energy, green technology and energy conservation for the future. The book highlights the benefits and challenges of Malaysia׳s energy supply with the aim of stimulating further discussion and research on future energy sector, energy policy revolution and national energy mix expansion strategy towards securing sustainability.