看到了这篇文章 http://thehill.com/policy/energy-environment/236166-refiners-hi Oil drillers have long argued that refineries were built to handle imported heavy oil, not the light oil that is increasingly being produced. “With the results of today’s survey, we know without a doubt that our refiners are ready and able to process the increasing U.S. supply of light sweet crude,” AFPM President Charles Drevna said in a statement. 孰是孰非,不好判断了。但个人感觉export ban lift通过的几率非常slim,左派+ refinery lobbyist+ Obama。