“We don’t have the three or four extra billion dollars in our plan right now that it would take to do it,” said Mr. DeJoy, an appointee of former President Donald J. Trump whose decisions — particularly about mail handling during the 2020 election — have made him a political lightning rod. “But we’re happy to talk with the administration and with this Congress.”Various studies have shown that falling battery prices and lower maintenance costs have made electric trucks increasingly competitive with conventional ones. And there is a precedent for a rapid shift toward electric delivery trucks. Amazon last year …
