The Joint Select Committee on Deficit Reduction, also called the “supercommittee,” must vote by November 23rd on a plan that would reduce the deficit by at least $1.5 trillion. Ending taxpayer subsidies to oil, gas, and coal companies has been suggested by Democratic leaders in Congress and many organizations as something for the chopping block

Our research found that at least four of the top six IOCs have significantly relied on tar sands reserves additions to support RRR rates in the past five years. As a percentage of total liquids additions, tar sands represents between 26% and 71% of reserves additions for these four companies.