Jerad Parish is driving a very deliberate 22 miles per hour south on John Nolen Drive where the speed limit is 35. Cars zoom past his black Toyota Prius hybrid on both sides before he switches lanes as he approaches a stoplight. He's driving slow enough that he doesn't have to brake as he makes a right turn onto Rimrock Road. He keeps the air conditioning off and on this July afternoon, his T-shirt clings to him with perspiration. The car's thermometer reads 86. But according to a dashboard computer that displays his fuel consumption, Parish is averaging almost 80 miles per gallon for the trip ... ...
