Policymakers have three types of energy policies in their toolbox: economic signals, performance standards, and support for research and development. Each has different strengths and weaknesses, but if they are well designed and coordinated, they complement and reinforce each other, accelerating deployment of new technologies and lowering costs.

Evidence suggests that getting 10 policies right—provided they are customized to fit specific regions and economic sectors—can produce substantial economic benefits and successfully address climate change.