A team of scientists from Finland and the United Kingdom has engineered the common gut bacteria, Escherichia coli, to generate renewable propane. This false-color scanning electron micrograph shows Escherichia coli. Image credit: Rocky Mountain Laboratories / NIAID / NIH. Propane is a naturally occurring gas composed of three carbon atoms and eight hydrogen atoms. It is produced as a by-product of two processes – natural gas processing and petroleum...
