Germany leads the principal world economies in energy efficiency, followed by Italy, China and France, a report released by the American Council for an Energy-Efficient Economy says.
For its part, the United States takes 13th place, according to ACEEE's 2014 International Energy Efficiency Scorecard.
ACEEE researchers focused on 31 metrics across four categories: aspects of energy use at the national level, buildings, industry and transportation.
Fonte: Italian Good News