Keystone pipeline fight: Wall Street is watching

By Corbin Hiar

White House approval of oil sands pipeline could spur investments in dirtier fossil fuels and worsen global warming

TransCanada lobbying: Company ramps up pressure on lawmakers

By Corbin Hiar

Canadian company that wants to build oil pipeline through six states increases lobbying in Nebraska and Washington, D.C.

Keystone XL pipeline rejection a setback for Canadian tar sands development

By Corbin Hiar

Keystone XL pipeline rejection won't stop the development of Canada's carbon-rich fuel
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TransCanada, developer of controversial pipeline, boosts lobbying spending

By Corbin Hiar

Keystone XL backers spent more than $400,000 lobbying for the pipeline in the last quarter

Donor profile: William “Bill” Koch

By Amy Myers

Quick stats on the biggest financial backers of Election 2012

Detroit refinery expansion adds more Canadian crude, brings more worries

By Jim Morris and Chris Hamby

A conflict in Detroit symbolizes a larger national debate over oil company plans to step up refining of heavier, dirtier crude from Alberta.