UPS is testing trucks made of an ultra-light material that makes them more fuel efficient than their sheet-aluminum counterparts.
According to UPS, the diesel trucks come with body panels made out of ABS plastic, making them 1,000 pounds lighter than standard trucks. The combination of plastic and smaller enginea makes the trucks 40% more fuel efficient, a feature that could save the company 84 million gallons of fuel each year if the technology becomes widespread.
(READ the story at Fast Company)