Cyanobacteria Create Sugar, Cellulose

At least now we've got yet another way to make ethanol that's better than fermenting corn. It's a shame the cyanobacteria must use sunlight instead of raw heat sources, but it's still pretty good tech, especially considering how hardy they are and how easy it is to harvest desirable output. What is unknown (or what the article does not specify) is the effective efficiency of these bacteria. Typical crops convert sunlight to biomass at a rate of around 6% efficiency; hopefully these bacteria can do a better job.