Factbox: U.S. refinery worker proposals and past negotiations

Lead oil industry negotiator Royal Dutch Shell Plc, said negotiations with the United Steelworkers union (USW) toward a new three-year national contract covering hourly workers at 63 U.S. refineries that account for 64 percent of national refining capacity were continuing.

http://www.reuters.com/article/2015/01/30/us-refinery-labor-talks-factbox-idUSKBN0L30AS20150130