From left, David Madden, Leticia Peres Multini, and Lucas Ramon, all juniors in chemical engineering, measure the concentration of acetone at different heights as it evaporates and rises up a PVC tube in Transport Phenomena Lab March 11, 2015, in Durland Hall. Representatives of the Colleges of Engineering, Education and Human Ecology are debating increasing their per-credit-hour fees already tacked onto the regular K-State tuition rate next school year. (Parker Robb | The Collegian)