Kertz said he can produce about 100,000 gallons of algae oil a year per acre , compared to about 30 gallons per acre from corn ; 50 gallons from soybeans . Some types of algae are about 50 % oil , suitable for biodiesel . The government is once again experimenting with algae as energy source . Scientists say there may be hundreds of thousands of species not yet identified . They have extraordinarily diverse shelf life .
Some types of algae are about 50 % oil , suitable for biodiesel . The government is once again experimenting with algae as energy source . Scientists say there may be hundreds of thousands of species not yet identified . They have extraordinarily diverse shelf life .