Photos: Revving up on fast food

The Big Green Bus from Dartmouth College runs on vegetable oil from deep fat fryers.

Talkback

Thought-provoking progressive ideas on diverse topics that intersect with technology, business, and life, and matter to the world at large. Visit SmartPlanet
More from IBM
Can your business work smarter? Learn more about Lotus Symphony
Learn how to work smarter and optimize cost using the IBM Smart SOA approach Download the eBook
Smarter ways to make smarter products Read the brief from IBM