South African cyclist Aldren Muvhambe. Photo by Nic Grobler via Bicycle Portraits. The sad recent news story about a 5-year-old girl killed by a street-cleaning vehicle while riding bikes with her father in the Turkish province of Konya -- a city that had previously announced plans for the country's first bike-sharing program -- got me thinking about what it wo... Read the full story on TreeHugger

We hear a lot about the blend wall for ethanol in the United States market, but there’s also a wall that the ethanol co-product Dried Distillers Grains (DDGS) in hitting with the livestock industry. “We’ve already run into a feed wall,” says Renewable Fuels Association (RFA) President and CEO Bob Dinneen. “While domestic markets for [...]