The concept is to divest the economy completely of fossil fuels by 2050 and using private enterprise to do it. The book of the same name was released this fall.
The Rocky Mountain Institute says "energy-related economic, security, and environmental threats are intensifying the national conversation about how to regain energy leadership and competitiveness, restore jobs and prosperity, and build a secure and climate-safe energy system."
Yet it says the country lacks a comprehensive vision of how a market economy can achieve such goals.
The institute says it has that vision and is now building a detailed road map, which it hopes will launch a movement.