Algae fuel - Wikipedia
Algae fuel, algal biofuel, or algal oil is an alternative to liquid fossil fuels that uses algae as its . More recently, rising oil prices in the 2000s spurred a revival of interest in methods methane is extracted under high temperature and pressure. in waste biomass via anaerobic digestion to methane for generating electricity.
Food vs. fuel - Wikipedia
Food versus fuel is the dilemma regarding the risk of diverting farmland or crops for biofuels production to the detriment of the food supply. The biofuel and food price debate involves wide-ranging views, and is a . The increase in grain prices was followed by increases in fats and oil prices in mid-2006. Associated Press.
soybean oil extraction process - Iowa State University Digital Repository
Cheng, Ming-Hsun, Sustainability analysis of soybean refinery: soybean oil extraction process (2017). Low temperature dry extrusion and high-pressure processing .. machine installation, piping connection, and electrical; TPIC is fees 6L was recycled to reduce material cost, and is regarded as a saving credit.
Environmental, economic, and energetic costs and benefits of - PNAS
Jul 25, 2006 These advantages of biodiesel over ethanol come from lower agricultural inputs Until recent increases in petroleum prices, high production costs made . feed and direct consumption (., high-fructose corn syrup and soybean oil, . in lieu of a fossil fuel, we first calculate the life-cycle GHG savings from
Biodiesel Benefits - Why Use Biodiesel? - Pacific Biodiesel