Josh Tickell (born August 7, 1975) is an American environmental activist, documentary filmmaker, and bestselling author known as the "Biofuel Boy." He gained national attention for his pioneering work in converting used cooking oil into vehicle fuel and for directing the acclaimed documentary "Fuel" (2008), which won the Sundance Film Festival Audience Award. His work has significantly influenced public understanding of renewable energy and sustainable living, earning him recognition as a "Hero of the Planet" by TIME magazine.