February 25, 2016, 9am PST
Unlike Europe where renewable energy is heavily subsidized, very few biogas projects that convert farm waste to energy using anaerobic digesters are being built in the U.S. State incentives are instrumental due to high capital and maintenance costs.
The Wall Street Journal - Business
December 21, 2015, 1pm PST
With transportation the largest contributor to greenhouse gas emissions in California, San Mateo will be the first city to reduce emissions by using biogas produced at its wastewater treatment plant for use in city vehicles.
October 10, 2015, 5am PDT
No, the title does not refer to Congress, it is meant to be taken literally: It is about the District of Columbia's sewage treatment plant that produces renewable energy by treating its biosolids with a new hydrolysis technology imported from Norway.
January 13, 2015, 8am PST
Waste-to-energy plants, or incinerators, are classified as renewable power plants by the EPA. A controversial Baltimore plant is under construction as well. More common in Europe, they may be catching on stateside due to low recycling rates.
October 3, 2014, 11am PDT
If you forget to bring a bag, pay a dime for either a paper or reusable plastic bag. Single-use plastic bags will disappear from grocery stores and pharmacies on July 1, convenience and liquor stores a year later. A composting bill was also signed.
August 4, 2014, 5am PDT
Thinking about "renewable power" often bring hydroelectric, wind, and solar to mind. The informed will recognize geothermal and biomass as major renewables. Biogas, the non-fossil natural gas, is not well known because few facilities capture it.
March 14, 2014, 10am PDT
Yes, one is with and the other without oxygen, and both divert waste from the landfill—but in terms of the end products, what is the advantage of anaerobic digestion? Simply put, does society face a shortage of compost or renewable energy?
May 17, 2013, 9am PDT
A first of its kind waste-to-energy plant in Los Angeles produces enough energy to power 2,000 homes per year by processing 150 tons of spoiled supermarket food per day. Could this model help other grocers reduce their environmental footprint?