Joule Unlimited, a biofuel startup company, has now announced that they have found a way to convert the sun's rays with CO2 and turn it into usable fuel. With this kind of technology, the fuel made will very similar to that of ethanol, diesel or other hydrocarbons.

With a Joule Unlimited patent on a genetically modified version of cyanobacteria and solar converter, this cyanobacteria will be used to convert the CO2, water and sun into a form of liquid hydrocarbon.