The US, with all its geographical blessings, is on the road to energy self-sufficiency and is reaping clear economic benefits. Development of unconventional oil and gas supported 2.1 million jobs and contributed $74 billion in tax revenues and royalty payments to government coffers in 2012.
拥有得天独厚地理条件的美国正在迈向能源自给，并收获着显而易见的经济利益。非常规油气开发支持了210万个工作岗位，2012年将为政府贡献740亿美元的税收收入和专利费。随着欧洲和亚洲气价上涨，美国产业竞争力迅速提高。炼油和石化公司纷纷涌向美国。