Exxon Takes Algae Fuel Back to the Drawing Board

A $300 million project seems to have failed to produce a cheap way to make fuel from algae.

http://www.technologyreview.com/view/515041/exxon-takes-algae-fuel-back-to-the-drawing-board/?utm_campaign=newsletters&utm_source=newsletter-daily-all&utm_medium=email&utm_content=20130521