Rambo Tribble writes A team of British and Finnish scientists have used the common bacteria Escherichia colito produce the environmentally-friendly fuel propane. By introducing enzymes to modify the bacteria's process for producing cell membranes, they were able directly produce fuel-grade propane. While commercial application is some years off, the process is being hailed as a cheap, sustainable alternative to deriving the gas from fossil fuel production. As researcher Patrik Jones is quoted as saying, "Fossil fuels are a finite resource and...we are going to have to come up with new ways to meet increasing energy demands."
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