Biofuel research

Biofuel research

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Credit: COLIN CUTHBERT/SCIENCE PHOTO LIBRARY

Caption: Biofuel research. Bottles of various products in the stages used to produce biodiesel from a plant oil. The initial oil is extracted from the seeds of the palm tree. The bottle at left is the crude palm oil product after solids (dark brown) have been allowed to settle. The oil from this stage is then progressively refined until the methanol has been removed, leaving the final product of biodiesel (right). This is suitable for use in a conventional diesel engine. Biofuels such as biodiesel are clean, renewable sources of energy, and have less impact on the environment than fossil fuels such as diesel, petrol and coal.

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