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PetroAlgae looks to raise $200 million for algae-growing equipment, although making fuel from algae cost-effectively has proved elusive.
Another Big Oil company looks to build large-scale production facilities for generating biofuel from algae.
Even with the demise of an algae biofuel pioneer this week, PetroAlgae and others are sticking with it because they believe in algae's advantages over other feedstocks.
Gevo seeks to scale up its process of using plants to make isobutanol, a renewable hydrocarbon that can be used to make chemicals and liquid fuels, including jet fuel.
New partnership with biotech firm Synthetic Genomics paves way for ExxonMobile to research and develop next-gen biofuels from algae.
PetroAlgae, Bionavitas, and others bet that algae will replace soy as a feedstock for biodiesel. The question is which, out of many companies, will develop a cost-effective technology first.
GreenFuel Technologies, one of the only algae companies to boast an actual customer, has cut its staff by half to "weather the economic storm."
Bionavitas is making a long-term bet on cheap biodiesel from algae. But more promising today is "bioremediation," or using algae to treat polluted waste water.
Can algae be a competitive biodiesel feedstock with oil below $50 a barrel? Aurora Biofuels new CEO says yes, once there's a price on carbon emissions.
In a $92 million, multi-year deal, GreenFuel Technologies signs on for project to grown algae aided by carbon dioxide pollution from cement factory in Spain.