“Biofuels” refer to the liquid fuels and components made from plant and animal materials, and the use of biofuels in the U.S. has typically grown each year since 1980 (EIA). Synthetic biology approaches can provide distinct advantages to biofuel production, including saving time and money, increasing yield, and enabling the production of new and better biofuels (GenScript).

This question will resolve using data from the U.S. Energy Information Administration’s Monthly Energy Reports. Ensure that the “Data Category” is set to “10. Renewable Energy” and “Table” is set to “Table 10.1 Renewable Energy Production And Consumption By Source”. Full monthly energy reports are available here. The percentage can be calculated by dividing the “Biofuels” consumption by the “Total Renewable Energy” consumption in the table at the bottom of the page. The following graph shows the percentage of renewable energy consumption in the U.S. that comes from biofuels: