[[{“type”:“media”,“view_mode”:“media_large”,“fid”:null,“attributes”:{“class”:“media-image alignright size-full wp-image-1609”,“typeof”:“foaf:Image”,“style”:“”,“width”:“100”,“height”:“100”,“alt”:“Scientific American”}}]]At Dartmouth College’s fourth annual Formula Hybrid International Competition last week, graduate and undergraduate electrical, mechanical and computer engineering students showed off high-performance plug-in hybrid vehicles they had designed and built.