The 10 Most Energy-Efficient U.S. States

By Amelia Hennighausen - 2013-11-07T19:23:45Z

Photograph by Ron Antonelli/Bloomberg

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The Forgotten ‘Fifth Fuel’

Access to energy in the U.S. -- and the effects of generating it -- are a national concern. Debates persist over the most cost-effective and environmentally friendly mix of nuclear energy, coal, gas and liquid hydrocarbons and renewable sources.

Too often left out of these discussions is the so-called fifth fuel: energy efficiency. States have driven benefits for consumers and the environment with policies that both reduce energy use and encourage economic growth. 

The American Council for an Energy-Efficient Economy (ACEEE) yesterday issued its annual scorecard for each state based on multiple factors, including reductions in greenhouse gas, energy codes for buildings and switching to cleaner fuels.

Read more Energy & Sustainability news.