The sentate just passed a bill sponsored by Wyden that requires the oil from ANWR to be sold in US markets.
But the Senate adopted an amendment offered by James M. Talent (R-Mo.) and Ron Wyden (D-Ore.) that bans exports of any oil produced in ANWR by a vote of 83-16.
http://ogj.pennnet.com/articles/article_display.cfm?Section=ONART&C=GenIn&ARTICLE_ID=240660&p=7