The area United States is about 9,147,420 km2 and 16.6% of that area is arable. Estimate the amount of electric energy that might be generated from biomass grown in the U.S. in kWh. Assume annual solar energy of ~ 1,000 kWh/m2. Assume that biomass energy can be converted into power at an efficiency of 30%. [Answer key: 2.27 x 1012 kWh]
Reference; Andrews and Jelley. Energy Science. Edition 4.
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