By Guest Contributor
This article originally appeared on RenewEconomy. By Sophie Vorrath Ever since the US saw its CO2 emissions hit a 20-year low last year, the widely held belief has been that natural gas played the dominant role by pushing coal out of the market. But, as Stephen Lacey reports over on GreentechEfficiency, researchers at CO2 Scoreboard have come to rather a different conclusion. They found that, on a nationwide level, more than 50 million megawatt-hours of coal simply dropped … Read More
Did Energy Efficiency Drive 75% Of US CO2 Cuts In 2012? was originally published on: CleanTechnica. To read more from CleanTechnica, join over 30,000 others and subscribe to our free RSS feed, follow us on Facebook (also free!), follow us on Twitter, or just visit our homepage (yep, free).