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| | The Ethicurean: Chew the right thing. » Blog Archive » How green is your rice? |
 | | Pretty and Ball give an energy input for Bangladeshi “traditional deepwater rice” of 400 megajoules per metric ton (a joule is a unit of energy, and a megajoule, abbreviated as MJ, is 1 million joules; a metric ton is 1,000 kg) and 11,000 MJ per ton for California rice. |
 | | A “TEU” is a 20-foot container, so this ship carries the equivalent of 1,500 20-foot shipping containers from the Port of Chittagong, Bangladesh, to the Port of Oakland, California, an over-water distance of 14,920 km (from Port World Calculator). |
 | | For a 1,500 TEU container ship, the energy usage is 0.165 megajoules per ton per km, or 5.96 MJ to carry a 2.5 kg bag of rice from Bangladesh to Oakland. |
| www.ethicurean.com /2007/03/18/rice-and-energy (2902 words) |
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