Of the 28.4 quadrillion Btu (quads) of energy consumed by the U.S. transportation sector in 2018, 1.4 quads were produced from biomass. Fuel ethanol made up 81.4% of biomass-based transportation fuels in 2018, followed by biodiesel (17.1%) and other (1.5%).
Note: The "other" category includes fuel blending components produced from renewable sources that meet the requirements of advanced biofuels.
Source: U.S. Energy Information Administration, Monthly Energy Review, September 2019, Tables 10.2b and 2.5.
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