“Senator Bernie Sanders took part in a press conference at an Exxon station on Capitol Hill where the pump price for regular gas was $3.06 a gallon. – -He rode to the conference in a retrofitted plug-in hybrid Toyota Prius that gets 150 miles per gallon. – -The car is the brainchild of Dr. Yet-Ming Chiang (shown below), Materials Science and Engineering professor at the Massachusetts Institute of Technology, who designed the battery pack used in the Prius.”