U.S. to give BP evidence on size of Gulf oil spill

http://www.reuters.com/article/2012/04/11/us-bp-oilspill-idUSBRE83A1FR20120411

BP Plc will gain access to U.S. government documents that may shed light on the size of the 2010 Deepwater Horizon oil spill in the Gulf of Mexico, a crucial issue in determining the oil company's liability.