Three years after graduating from New College, he published From the Fryer to the Fuel Tank, a book about running diesel engines on vegetable oil. His New College thesis was titled, “A Drive Toward Sustainable Living: Renewable Energy Alternatives to Current Lifestyle and Transportation Patterns.” He has consulted for companies such as Green Mountain Energy Resources, Yum Brands, Audi and General Motors, and he has appeared on Jay Leno’s The Tonight Show, Good Morning America, CNN, Discovery and NPR. He also hosts a weekly radio show called Tickell Talks.