Students (left to right) Katherine C. Rowe ’10, Katrina M. Ellison ’10, Joseph D. Roy-Mayhew ’08, and Matthew R. Zedler ’07 are all smiles after mtvU and General Electric surprised them with a $25,000 grant for winning the first-ever mtvU-GE ecomagination Challenge. Their proposal, “Biodiesel@MIT,” is an apparatus that can convert waste vegetable oil into biodiesel for the campus.