Energy Efficiency: The Unsung Hero in Reducing Greenhouse Gas Emissions

Investigating the claims on natural gas reducing greenhouse gas emissions led to the discovery that energy efficiency played a significant role in the reduction. The focus on gas replacing coal versus renewables was shifted when Emery Lovins highlighted the importance of energy efficiency. Research revealed that energy efficiency efforts, including codes and standards, had been a major contributor to reducing emissions, even more than what was forecasted by the EIA at the time.