Canadian oil collapses amid pipeline and rail bottleneck

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBleDq4.img?h=100&w=100&m=6&q=60&o=f&l=f&x=792&y=779Heavy Canadian crude fell to the lowest in almost four years against benchmark prices Tuesday as bottlenecks on pipelines and rail networks crimped exports.

أكثر... (http://www.msn.com/en-ca/money/markets/canadian-oil-collapses-amid-pipeline-and-rail-bottleneck/ar-BBGEkjm?srcref=rss)