Calgary Herald by Rebecca Penty.  Canada’s largest pipeline company based in Calgary is set to re-apply for U.S. federal approval to build its proposed Alberta-to-Texas Keystone XL oil pipeline while it also examines reconfiguring part of its Canadian mainline gas line into a conduit for oil. A repurposed mainline could deliver up to 800,000 barrels per day, according to the proposal, to eastern Canadian refineries eyeing western crude that’s selling at a bargain to world prices. Special session ends after House adjourns Anchorage Daily News Sean Parnell (NGP Photo) to lower oil [...]