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Codexis, which produces enzymes and catalysts for biofuels and greener chemicals, raises $78 million as this year's first IPO of a U.S.-based green tech company.
Energy giant signs on for more development of designer liquid fuels that have similar characteristics to today's fuels but are cleaner.
Deal with Codexis seeks to make cellulosic ethanol more commercially viable through better biocatalysts.
Ethanol is currently the star of biofuels, but new mandates will spur development of synthetic biofuels that mimic fossil fuels, policy analyst says.
Biotech company Genomatica raises $15 million in venture funding to test the process of making industrial chemicals from sugar water.
Tata to bring small, all-electric car to Norway next year; a banner years for wind power; a home hydrogen-filling station; comparing the presidential candidates on plug-in cars; a microbial fuel cell for developing world; tips on greening your PC.
Eyeing Brazil, biotech company Amyris plans to raise $100 million to build facilities that convert cane sugar into replacements for petroleum-based fuels.
Making industrial chemicals from plants is easier to crack into than the cut-rate world of transportation fuels for young green-tech companies seeking a commercial foothold.
Green tech is still attracting billions of dollars a year, but the amount of money has shrunk significantly as investors began to focus on start-ups with the most potential.
Sapphire Energy, which has raised $50 million, says it is making 91-octane "green crude oil" from algae that is the chemical equivalent of gasoline.