Josh Tickell is an American filmmaker, author, and environmental activist known for his work in promoting sustainable energy and environmental awareness. He gained recognition for his documentary film, Fuel, which explores the impact of fossil fuels on the environment and advocates for alternative energy sources. Tickell's work often emphasizes the importance of renewable energy and the need for a shift towards more sustainable practices. In addition to his filmmaking, Tickell has authored several books, including Biodiesel America, which discusses the benefits of biodiesel as a renewable energy source. He is also a speaker and educator, sharing his insights on sustainability and the importance of reducing carbon footprints in various forums and events.