As battery-electric vans and medium-duty trucks become more prominent, the charging infrastructure those vehicles will require must expand, too, according to panelists speaking at the Advanced Clean Transportation Expo in Long Beach, Calif. Having infrastructure in place will be "the impetus and motivation\u201d for a customer to go into this electric last mile, Oshkosh CEO John Pfeifer said. Oshkosh recently was awarded a contract to supply the U.S. Postal Service with between 50,000 and 165,000 delivery vehicles.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices