USPS tests electric delivery trucks in California: “I didn’t hear the mail come!”

USPS Motiv Power e450 delivery truck for Fresno, CaliforniaThe U.S. Postal Service is adding 10 electric delivery trucks to its fleet in Fresno and Stockton, California, a region in the state's central valley known for its poor air quality. The 1.5-ton delivery trucks converted to electric power by Motiv Power, a Silicon Valley conversion company. USPS says it expects to save between $4,000 and $6,000 a...