DAVIS, Calif.--You read a lot about renewable energy and the coming opportunities, but there's still a lot of money to be made in gas.
Mark Henwood, managing director at Camino Energy, which analyzes alternative fuel stocks, recently ran a math problem to see just how big the clean tech market is. (We ran into him near the buffet line at the GoingGreen conference this week.)
He totaled up the market cap of all of the clean energy companies now traded on the public exchanges. The list includes solar companies, ethanol refiners and clean coal manufacturers. It does not … Read more