Rentech Inc.
Rentech Inc. (AMEX:RTK), a clean-energy-biomass technology company, this week completed investment agreements with two biomass gasification companies, acquiring 100 percent of SilvaGas Corporation and grabbing a 25 percent stake in
An Atlanta-based startup company is turning human waste into biofuel at the first commercial biosolids-to-energy facility in the United States, offering a cheaper alternative to coal and a solution to managing municipal sewage sludge.





