Why EV giant with a contract for 100k USPS trucks has suddenly offered to convert them to gas

The company behind the United States Postal Service’s all-electric mail trucks has said it would be prepared to switch to gas vehicles.
Read more: https://www.dailymail.co.uk/yourmoney/consumer/article-14284941/electric-giant-usps-trucks-prepared-switch-gas-trump.html?ns_mchannel=rss&ns_campaign=1490&ito=1490