How long will it take for deep energy retrofits to catch on? Since Rocky Mountain Institute’s mission is to accelerate the adoption of deep building retrofits that can deliver up to 50 percent (and often more) in energy savings, we ponder this question daily. And being RMI, we decided to measure this rate of adoption.   READ MORE >>

NASCAR isn't the most obvious place to look for innovative ideas in green transportation. The typical stock car usually averages around four to six mpg—granted at speeds reaching 200 mph.   READ MORE >>

After a decade of Energy Star building labels, Los Angeles sits clearly at the top of a list of 25 cities that lead the nation with Energy Star-rated buildings. Find out if your city falls in the top 25.   READ MORE >>

Originally published at GreenBiz.com on February 27 as the fourth of a five-part series by RMI professionals on how to put into practice the ideas of Reinventing Fire: Bold Business Solutions for a New Energy Era. Part five will be reposted on rmi.org’s Outlet on Friday.   READ MORE >>

In September, Coca-Cola added six all-electric trucks to its fleet of more than 700 alternative fuel vehicles in North America. This spring United Parcel Service, with a green fleet of more than 2,300 vehicles, began its tryout of a lightweight delivery van clad in rugged ABS plastic that's expected to boost fuel efficiency by 40 percent.   READ MORE >>