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A conical flask of "green" jet fuel made from algae. Algae fuel, algal biofuel, or algal oil is an alternative to liquid fossil fuels that use algae as its source of energy-rich oils. Also, algae fuels are an alternative to commonly known biofuel sources, such as corn and sugarcane.
Biodiesel is a liquid fuel composed of vegetable oils and or animal fats. To create the gasoline itself, these subsequent liquids are combined with alcohol. Biodiesel is used to fuel compression ignition engines, otherwise known as diesel engines. The most common product of biodiesel is B20, a 20:80 blend: 20% biodiesel to 80% petroleum diesel.
BETO organized an Algae Program dedicated to researching and improving the viability of algae as an energy source. EERE's official page for the Algae Program lists goals including improving yields of algae strains while decreasing expenses of growing algae, filtering the algae from the water, extracting the oils, and processing the biofuel. [3]
Biodiesel from sea algae would not necessarily displace terrestrial land currently used for food production and new algaculture jobs could be created. By comparison it should be mentioned that the production of biogas utilizes agricultural waste to generate a biofuel known as biogas, and also produces compost , thereby enhancing agriculture ...
Since growing algae requires large amounts of sterile CO 2, smokestacks can be utilized for algaculture. Several commercial pilot plants are under construction. [39] [40] [41] There is substantial research and development work in this area but as of 2007 there is no commercial vegetable oil produced from algae and used as biofuel.
Algae and cyanobacteria will use water, carbon dioxide, and solar energy to produce biofuels. [89] This method of biofuel production is still at the research level. The biofuels that are secreted by the bioengineered organisms are expected to have higher photon-to-fuel conversion efficiency, compared to older generations of biofuels. [89]
Iran started investigating the production of algae from 2000. Scientific evidence shows that south Iran is the richest area in the world for cultivating algae, because of high humidity, sunny weather, large unused area and salty water. [2] The first version of algae based biofuel will become available for industrial purposes in 2015. [3]
The algae, especially some species which contain over 50 percent oil and a lot of carbohydrates, can be used for producing biodiesel and bioethanol by extracting and refining the fractions. The algae biomass is generated 30 times faster than some agricultural biomass, [15] which is commonly used for producing biodiesel.