American Petroleum Institute

WAMC/Pat Bradley

The oil industry's leading trade group has adopted new standards for testing and classifying crude shipped by rail after prior shipments were misclassified, including a train that derailed in Canada and killed 47 people.

Howlmontreal/Creative Commons-Flickr

A coalition of conservation and environmental groups is asking the federal government to tighten regulations governing pipeline safety standards as concerns rise over the possibility that tar sands oil may be shipped through a line across New England.