National Public Radio: The recent run-up in gasoline prices was a not-too-subtle reminder that there’s a limited amount of oil on Earth. Someday soon, we’re going to need a new source of fuel. Part of the answer could be fuels made from the plant material cellulose. Researchers at the new Energy Biosciences Institute at the University of California-Berkeley are working on a recipe for this biofuel. From Plant To The Pump The institute is trying to make at least part of the economy run on fuel …