Exxon cleans up Arkansas oil spill; Keystone XL pipeline, plan assailed incident to attack plans to build the Keystone XL line

Exxon Mobil on Sunday continued cleanup of a pipeline spill that loosed thousands of barrels of heavy Canadian crude in Arkansas as opponents of oil sands development latched on to the incident to attack plans to build the Keystone XL line.
Exxon’s Pegasus pipeline, which can carry more...Exxon cleans up Arkansas oil spill; Keystone XL pipeline, plan assailed incident to attack plans to build the Keystone XL line