Genetically modified blue and green algae could be the answer to the world's fuel problems. Bioengineers have already developed algae that produce ethanol, oil and even diesel -- and the only things the organisms need are sunlight, CO2 and seawater.
Biochemist Dan Robertson's living gas stations have the dark-green shimmer of oak leaves and are as tiny as E. coli bacteria. Their genetic material has been fine-tuned by human hands. When light passes through their outer layer, they excrete...Full Story