4th Paragraph: "The study provides a comprehensive view of the market competition by using Porter’s Five Force Model and the impact of suppliers, buyers, new entrants, substitutes and the degree of competition. It also covers market share analysis by companies and provides detailed profiles of leading players in the market such as Australian Renewable Fuels Limited, Aventine Renewable Energy Holdings, Inc (AVRW), BlueFire Renewables, Raizen Energia Participacoes S.A, Renewable Energy Group, and Solazyme Inc"