Biodiesel can be produced in a number of ways, one of the more promising for the future could be algae in closed glass tubes or at sewage farms. Many types of algae are over 50% oil so the yield per algae could be quite high. If they grow fast enough. The University of New Hampshire has been looking at using algae to make biodiesel
in some depth, as Michael Briggs in the physics department explains in his most recent addition.
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