In 2012, Canada's 'Dilbit' Becomes a Contentious American Issue

Inside Climate News: This was the year "dilbit" registered on the U.S. political and public radar in a major way. Previously just a technical industry term, dilbit—short for diluted bitumen—became the center of citizens' concerns about the controversial Keystone XL oil pipeline. Bitumen is a heavy crude oil mined from Canada's oil sands region. The bitumen is so thick that it must be diluted with liquid chemicals before it can flow through pipelines—hence the term dilbit. Environmental groups have long opposed oil...

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