Dr. Ranjit Koodali is a monthly contributor to SDPB Radio's Innovation. Koodali is a chemistry professor at the University of South Dakota and Dean of the USD Graduate School. "Dr. K" is also the public relations chair of the Sioux Valley Section of the American Chemical Society. He joins today's program to talk about efficient and selective degradation of polyethylenes into liquid fuels and waxes under mild conditions - or, in simple terms, turning plastic bottles into fuel.