While fossil fuels—coal, oil, gas—still generate roughly 85 percent of the world's energy supply, it's clearer than ever that future belongs to renewable sources such as wind and solar.

Ethanol production by a continuous fermentation in silicone rubber membrane bio-reactor (SRMBR) is one of the most promising technologies for clearer-energy development.

The clearer indications of recession have already brought down energy prices, and there are tentative signs of improvement in the credit markets.