issue 4 publication date 2016-11-01

• Optimization of Biodiesel Production from Castor Oil Using a Microwave Via Response Surface Methodology (RSM)
• Life-Cycle Assessment of Environmental Effects on Rapeseed Production
• Small Hydro-Power Plants in Kenya: A Review of Status, Challenges and Future Prospects
• Utilization of Co-digestion of Local Brewery Wastes and Cattle Dung as a Potential Source of Biogas and Organic Fertilizer
• Impact of Using Renewable Energy on the Cost of Electricity and Environment in Northern Cameroon
• Proposing New Algorithm for Modeling of Regenerative Fuel Cell (RFC) System
• Investigation of Hydroxylated Carbon Felt Electrode in Vanadium Redox Flow Battery by Using Optimized Supporting Electrolyte