The Obama administration on Tuesday bowed to months of growing pressure over a 40-year-old ban on exports of most domestic crude, taking two steps expected to unleash a wave of ultra-light shale oil onto global markets.

http://www.theglobeandmail.com/report-on-business/industry-news/energy-and-resources/door-opens-for-expanded-us-oil-exports/article22242275/

а, ну понятно почему вчера-седня нефть валится