OMICS International OMICS International is a scientific organization that drives the progress of research through open access journals and organizes international conferences, The best in science news, commentary, and research. Journal of Fundamentals of Renewable Energy and Applications Volume 7 Issue 4 Operation of a Domestic Biogas Plant in an Urban Setting in a DevelopingCountryA Field Experience Emmanuel A Echiegu Thermodynamic Analysis of a Two Stage Vapour Compression Refrigeration System Utilizing the Waste Heat of the Intercooler for Water Heating Aftab Anjum, Mohit Gupta, Naushad A Ansari and Mishra RS Application of Solar Energy Heating System in Some Oil Industry Unitsand its Economy Abd El Rahman AM, Nafey AS and Hassanien MHM Dye Sensitized Solar Cells Based on Different Solvents Comparative Study Zulfiqar Ali Shah, Kiran Zaib and Khalid M