Fuel refiner Valero joins Enerkem as a strategic investor with money to finance construction of a garbage-to-ethanol plants.
Enerkem breaks ground on facility that plans to convert 100,000 tons of household trash a year into ethanol, diverting landfill and reducing emissions.
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 Chicago start-up scores Series A funding for its thermal-energy efficiency software platform and services.
Boston Consulting Group says electric vehicles won't dramatically reduce greenhouse gas emissions by 2020 without very supportive policies.
Garbage collector plans to offer organic gardening products made from expanded organic waste collection service.
Government is supporting the development of new feedstocks for ethanol to ease dependence on corn.
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.
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.