Coast-to-coast on recycled vegetable oil

Here’s a novel road-trip concept: According to a recent CNN report, a group of US college students is traveling across America in a converted school bus running on used vegetable oil. In addition to avoiding non-renewable fossil fuels, an advantage of this arrangement is that the vegetable oil can be acquired for free from fast-food restaurants and cafeterias. “They are sure to draw attention,” the article states. “They will be cruising no faster than 55 mph, with ‘Powered by Veggie Oil painted on the back of the bus. And the oil ‘smells a little bit like whatever it was used to fry — sometimes you get onion rings, french fries, chicken patties.'”