This is a great example of the trials and tribulations of trying to find grease for the NOLS veggie powered bus. Emanuel Rosen, author of "The Anatomy of Buzz Revisited", gets dirty and helps us fuel up.

The NOLS Bus is powered by a diesel engine, specially converted to run on vegetable oil gathered and filtered from restaurants and dining halls during the NOLS on the Road tour.

Vegetable oil offers similar gas mileage as petroleum diesel, but with fewer polluting emissions. Veggie oil also leaves behind a more pleasant alternative to the black cloud of diesel engine smoke—instead of that gagging diesel smell, the bus leaves in its wake the unmistakable smell of Chinese food, popcorn or french fries!

Learn more about the veggie-powered NOLS Bus at nols.edu/bus