By Ben Cohen
From the Guardian:
A liquid fuel made from plants that is chemically identical to crude
oil but which does not contribute to climate change when it is burned
or, unlike other biofuels, need agricultural land to produce sounds too
good to be true. But a company in San Diego claims to have developed
exactly that – a sustainable version of oil it calls "green crude".
Energy uses single-celled organisms such as algae to produce a chemical
mixture from which it is possible to extract fuels for cars or
airplanes. When it is burned, the fuel only releases into the air the
carbon dioxide absorbed by the algae during its growth, making the
whole process carbon neutral. Read more..