New York Times: As the debate over the construction of the Keystone XL pipeline continues in the United States, a Canadian trade delegation is insisting that Canadian oil extracted from tar sands - the product that would be transported by an expanded pipeline - should not be classified as being dirtier than other types of oil.
Last week Canada`s natural resource minster, Joe Oliver, threatened to take the European Union to the World Trade Organization over its plans to classify oil harvested from tar sands as...