WikiWealth

"While Mr Chu was at Berkley, he conceived the idea of a global "Glucose economy" to supplant mankind's dependence on oil.Fast-growing crops would be planed in the tropics, where sunlight is abundant. They would be converted into glucose (of which cellulose, which makes up much of the dry weight of a plant, is a polymer) and the glucose would be shipped around much as oil is today, for eventual conversion into bio fuels and bio plastics."

Source: The Economist July 4th 2009 pg. 64 Article "Face value" …