Foroogh Mohseni Ghaleh Ghazi - Department of Chemical Engineering, School of Chemical & Petroleum Engineering, Shiraz University, Shiraz, Iran
Amir Kamali - Department of Chemical Engineering, Islamic Azad University Qeshm Branch, Qeshm, Iran

The world has faced problems originating from the finite availability of fossil fuels, expensivepetroleum, and the environmental issues raised by using traditional fuels. The increasing energydemand is evacuating fossil energy resources at a high rate. In addition, fossil fuel utilization has causedsignificant environmental problems, like greenhouse gas (GHG) emissions. Therefore, energyconservation and climate change are two basic driving factors that have placed renewable energyproduction at the top of the global agenda. This study has attempted to create a broad view of renewablefuels by introducing biofuels and mentioning their positive effects in reducing greenhouse gases.

Biofuel, Fossil fuel, Greenhouse gas (GHG), CO۲ emission