The Postal Service’s new delivery vehicles aren’t going to win a beauty contest. They're tall and ungainly. The windshields are vast. Their hoods resemble a duck bill. Their bumpers are enormous. “You ...

Last September, the U.S. Postal Service debuted its long-awaited — and much litigated — electric vehicle mail delivery truck. Since then, more than 7,200 new zero-emissions vehicles have been ...