♻️ap environmental science review

Biofuels

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Biofuels are renewable energy sources derived from organic matter such as plants or animal waste. They can be used as an alternative to fossil fuels for powering vehicles or generating electricity.