“Think about wastes, such as sewage or landfill waste as resources – not problems to be disposed of.” The stumbling block has previously been large indigestible complex biopolymer molecules. Now US biotechnologists may have developed “a genetically engineered strain of yeast that simultaneously breaks down xylose [large sugar molecule] and converts acetic acid [vinegar] to fuel.” (

If only there was a way to set this yeast on the Great Pacific garbage patch without just converting it to a Great Biodiesel Slick. Beer would be acceptable.