Joule patents fuel made from water, sunlight, CO2 | Green Tech - CNET News
The mystery bug--a type of bacteria--behind intriguing biofuel start-up Joule Unlimited was revealed with the publication of a patent on Tuesday.
The Cambridge, Mass.-based start-up said that it has received Patent No. 7,794,969 for an engineered form of cynobacteria, or blue-green algae, which grows in water and is capable of secreting biodiesel fuel.
The company asserts that it can make diesel fuel directly using only sunlight and waste carbon dioxide in glass bioreactors for as little as $30 a barrel.
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