Bad day for energy efficiency the other day. I have a new house (actually a new to me 55 year old house), and was all excited to have an energy auditor come out and energy audit me. After all, I write Cleantech Blog, and did an article not too lo... [more]

Gas isn't the fuel for car engines. Air is.That, in part, is the theory behind Scuderi Split-Cycle Engine, a startup that has devised a novel gas engine that increases overall efficiency by 10 percent to 50 percent and cuts down on NOx gases at the s... [more]

I read this oped with great sadness. I also sympathize with Louis Bacon's case. That being said, to link the Louis Bacon case to solar being expensive is not only irrelevant but wrong. Why would you possibly link the two cases together. 1) It take... [more]

The World's Energy Portfolio Needs Rebalancing NOWPoint Roberts, South Salem, New York- August 17, 2010 - Investorideas.com and its green investor portal, www.renewableenergystocks.com publish new energy market commentary from solar contributor,... [more]

By John AddisonFord Focus EV Gets Green PlantFord's (F) new Focus Electric Car and Plug-in Hybrid will be built in one of the auto industry's greenest manufacturing plants. Ford is working with Detroit Edison (DTE) to install a 500-kilowatt solar pho... [more]

by Richard T. StuebiIt was barely reported, but on August 8, the cleantech world lost a very important messenger, Matt Simmons.In 1974, Simmons founded the energy-focused investment banking firm Simmons & Company, which came to serve many of the most... [more]

Greentech Media submits: As an active investor in the cleantech market, I'm definitely hoping we can start to see some successful exits. I, like others, am pining for a few successful IPOs with stellar returns that can be good beacons of hope for... [more]

by Dallas KachanIt's been fashionable to debate whether China will some day surpass the U.S. in clean technology. Yet, after reviewing some of the metrics that really matter, one could conclude that it already has. At least this was my thesis i... [more]

by Dallas KachanIt's been fashionable to debate whether China will some day surpass the U.S. in clean technology. Yet, after reviewing some of the metrics that really matter, one could conclude that it already has. At least this was my thesis i... [more]

It's been fashionable to debate whether China will some day surpass the U.S. in clean technology. Yet, after reviewing some of the metrics that really matter, one could conclude that it already has. At least this was my thesis in moderating a rece... [more]