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New Fuel Will Be Cheaper but It Still Pollutes

There is hope for a new fuel that will reduce the price of oil, but carbon pollution of the earth will still be a problem. In Mackay, north Australia, a farmer is planting "diesel trees".

Oil from the trees will be tapped and used in diesel engines without refining. A tree can produce 40 liters a year. This means that a farmer can grow a hectare of the trees, and this will be sufficient for all his farm needs.

This is good for the cost of fuel. However, it will do little to reduce carbon pollution.
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