The WCI Partner jurisdictions recognize that it will take other policies working in concert with cap-and-trade to achieve the regional reduction goal. of 15 percent below 2005 emissions by 2020. 

Complementary policies include energy efficiency targets and standards, renewable energy standards, renewable fuels standards, government procurement policies, direct government funding and investment of key technologies. 

Through the Complementary Policies Committee, WCI Partners are working together to identify and  implement policies that will aid in achieving individual and regional emissions reductions goals, for both capped and uncapped sectors.