University of Michigan researchers are studying a way to use pressure cooking to convert microalgae into carbon-neutral biofuels. Microalgae are a potential plant source of biofuel because they are easier to breakdown chemically. Conventional methods require using oilier algaes and drying them before conversion. But the Michigan researchers are investigating a process using a microalgae soup which is heated to 300 degrees and then cooked for 30-60 minutes to produce crude biofuel.