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Reducing Energy Inputs in the Agricultural Production System

Oil, natural gas, coal, and other mined fuels provide the United States with nearly all of its energy needs at a cost $700 billion per year.1 Since more than 90 percent of its oil deposits have been depleted, the United States now imports over 70 percent of its oil at an annual cost of $400 billion.2 United States agriculture is driven almost entirely by these non-renewable energy sources. Each person in the country on a per capita consumption basis requires approximately 2,000 liters per year in oil equivalents to supply his/her total food, which accounts for about 19 percent of the total national energy use. Farming — that portion of the agricultural/food system in which food is produced — requires about 7 percent and food processing and packaging consume an additional 7 percent, while transportation and preparation use 5 percent of total energy in the United States. | more…