在1982年至2005年,美国一次能源自给率从91.1%持续下降至69.2%的历史最低点,但从2006年开始,美国一次能源自给率又开始回涨,2011年已恢复至78%。随着页岩气这一“博弈改变者”的大发展,美国能源独立战略正在得以稳步推进。从现在到2035年,美国能源自给率将逐渐提高,最终达到近90%的水平。唯一存在对外依赖的是石油,但即使如此,2035年美国石油及其他液体燃料的自给率也将超过60%。单从能源自给程度出 From 1982 to 2005, the U.S. primary energy self-sufficiency rate continued to drop from 91.1% to a historical low of 69.2%. Since 2006, however, the U.S. primary energy self-sufficiency rate has started to rise again and has returned to 78% in 2011. With the great development of shale gas, a “game changer,” the U.S. energy independence strategy is being steadily pushed forward. From now until 2035, the U.S. energy self-sufficiency rate will gradually increase, reaching a level of nearly 90%. The only foreign dependence on oil is oil, but even so, by 2035, the U.S. self-sufficiency rate of oil and other liquid fuels will exceed 60%. Just out of energy self-sufficiency