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 Petroleum & Environmental Biotechnology Journal of Petroleum & Environmental Biotechnology Volume 9, Issue 3 In Silico Modeling and Characterization of Squalene Synthase and Botryococcene Synthase Enzymes from a Green Photosynthetic Microalga emBotryococcus brauniiem Elumalai S, Sangeetha T and Rajesh Kanna G Application of Economic Decision Tools in Petroleum Investment Oluwaseun Olanrewaju Alade Effect of Different Tillage Methods and Plant Spacing on Growth and HerbageYield of Lagos Spinach emCelosia argenteaem L Modupeola TO, Dixon HG and Adewumi AG Generation of Biofuel by Using Waterweeds A Case Study in Solapur City Avinash Kishor Shendge and Basavraj Balapgol Optimization of Composite Layering Effect Based on Measured FormationFracture Height to Length Ratios Abdunaser O Susi, Mahmoud A Mahrous, Khalid A Elwegaa, Paul L Sims, lloyd R Heinze, George B Asquith, Mohamed Y Soliman and Mahmoud El Sharafi