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Fuel refiner Valero joins Enerkem as a strategic investor with money to finance construction of a garbage-to-ethanol plants.
A Chicago start-up scores Series A funding for its thermal-energy efficiency software platform and services.
Plain old microbes and some more experimental technologies can help municipalities cut garbage tipping fees and capture valuable bio-energy and compost.
Government is supporting the development of new feedstocks for ethanol to ease dependence on corn.
Enerkem breaks ground on facility that plans to convert 100,000 tons of household trash a year into ethanol, diverting landfill and reducing emissions.
Garbage collector plans to offer organic gardening products made from expanded organic waste collection service.
Federal government pumps more than $600 million in projects to demonstrate advanced biofuels, including cellulosic ethanol and plant-based replacements for diesel, jet fuel, and gasoline.
The trash-hauling giant creates a joint venture called S4 Energy Solutions to build plasma gasification systems that convert separated industrial wastes into electricity and liquid fuels.
Canadian company Enerkem to use municipal solid trash and wood chips to make ethanol in a process it says is cleaner than traditional waste-to-energy technologies.
A new generation of trash-to-energy technologies are cleaner than incinerators, say advocates, but the high costs and environmental concerns remain barriers in the U.S.