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Israeli company Emefcy lands big-name backers for its Megawatter System that can turn wastewater into clean water and electricity.
Startup Joule lands $70 million in private equity to build larger-scale plants that make diesel fuel directly from sunlight, carbon dioxide, and nutrients in solar panel-like bioreactors.
Start-up Joule Unlimited is on the forefront of using genetic engineering to replace petrofuels, trying to learn from shortcomings of other biofuel technologies.
Biotech start-up receives a patent for a process where genetically engineered cyanobacteria make hydrocarbons directly during growth.
PetroAlgae looks to raise $200 million for algae-growing equipment, although making fuel from algae cost-effectively has proved elusive.
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.
The California company seeks to raise up to $100 million on the stock market to speed up commercialization of its algae oil for fuels, food, and personal care products.
Start-up gets $30 million to build test facility that will create diesel fuel from microbes fed a diet of sunlight and carbon dioxide.
Valero Energy plans to share and develop transportation fuel technology with Algenol Biofuels.