In the September 3 article, "Duke pledges to integrate sustainability on campus," the picture and caption read a common PR blip touted by Duke students: Our buses run on biodiesel. However, the University has stopped using biodiesel and now runs on "ultra-low sulfur diesel," which is standard in the United States. Perhaps a better source should be used than a sticker on the back of a bus.
Chelsea Conover
Graduate Student, Nicholas School
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