A biofuel may be a fuel that contains energy from geologically recent carbon fixation. These fuels are created from living organisms. Samples of this carbon fixation occur in plants and microalgae. These fuels are created by a biomass conversion (biomass refers to recently living organisms, most frequently referred to plants or plant-derived materials). This biomass may be reborn to convenient energy containing substances in 3 totally different ways: thermal conversion, chemical conversion, and organic chemistry conversion. This biomass conversion may end up. The open access journals are peer reviewed scholarly journals of addiction research and therapy. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles.