biology Enlish(15)

时间:2025-04-30

Third generation biofuels

Algae fuel, also called oilgae or third generation biofuel, is a biofuel from algae. Algae are low-input, high-yield feedstocks to produce

biofuels. It produces 30 times more energy per acre than land crops such as soybeans.[25] With the higher prices of fossil fuels (petroleum), there is much interest in algaculture (farming algae).

The United States Department of Energy estimates that if algae fuel replaced all the petroleum fuel in the United States, it would require 15,000 square miles (38,849 square kilometers), which is roughly the size

[25]of Maryland.

Second and third generation biofuels are also called advanced biofuels. Fourth generation biofuels

An appealing fourth generation biofuel is based on the conversion of vegoil and biodiesel into gasoline. [26]

Craig Venter's company Synthetic Genomics is genetically engineering microorganisms to produce fuel directly from carbon dioxide on an industrial scale.[27]

Biofuels by region

Recognizing the importance of implementing bioenergy, there are

international organizations such as IEA Bioenergy,[28] established in 1978 by the OECD International Energy Agency (IEA), with the aim of improving cooperation and information exchange between countries that have national programs in bioenergy research, development and deployment. The U.N. International Biofuels Forum is formed by Brazil, China, India, South Africa, the United States and the European Commission.[29] The world leaders in biofuel development and use are Brazil, United States, France, Sweden and Germany.

See also

Automobile Biomass Carbon cycle

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