On today's episode, after half a century, the most iconic program in aerospace engineering history is drawing to a close. Atlas Air Worldwide has ordered four Boeing 747-8 freighters for delivery through October 2022, representing the last 747s to be built in the program.With the success of Tesla and the rapid introduction of competing electric vehicles from mainstream auto manufacturers, it looks like there’s new competition coming from an unlikely source: e-commerce. Chinese heavyweight Alibaba Group Holding is launching a new electric sedan.President-elect Joe Biden is days away from inauguration, and clean energy and infrastructure companies are enjoying notable gains on Wall Street in anticipation of the new administration’s programs. Biden plans to re-enter the Paris Climate Agreement, reversing the Trump administration withdrawal.