The Green Grease Project
Students from MIT's Biodiesel team organized the Green Grease project to help garbage pickers in Brazil save money and be more environmentally friendly by retrofitting their transport vehicles. In summer 2010, the team traveled to Sao Paulo, Brazil to begin the implementation. Led by Libby McDonald, a fellow at the Community Innovators Lab in the Department of Urban Studies and Planning, the team converted two large trucks to run directly on filtered vegetable oil, rather than converting the oil itself into biodiesel fuel.
Read more here: http://web.mit.edu/newsoffice/2011/itw-green-grease-0224.html
Video: Melanie Gonick; Additional footage/stills: The Green Grease Team