Biofuels are a strategic replacement for petroleum-based fuels that we use today. However, biofuels have so far not reached cost parity with conventional petroleum fuels. Researchers at the Lab are finding ways to reach parity by making the plants do some of the work. https://newscenter.lbl.gov/2020/04/06/making-biofuels-cheaper-by-putting-plants-to-work/