Exclusive 1:1 with Jennifer Rumsey, CEO of Cummins. She talks about a busy first 20 months in the role, the huge fine the company was assessed for engine software defeat devices on Ram diesel pickups and how the Cummins business is changing as it pursues its Destination Zero strategy.

For Friday's newsletter, we'll be looking at Navistar's return to autonomous trucking, this time with Plus after its breakup with TuSimple after a 2 1/2-year partnership; whether Workhorse can hold on long enough to survive after disappointing earnings and cost cuts announced. We'll also pitch next week's deep dive into Workhorse, including visiting its plant in Union City, Indiana, and another frank discussion with CEO Rick Dauch about the company's prospects for success.

Also, "Five minutes with Bruce Watson," the archives manager of the Cummins Heritage Center in Columbus, Indiana, who talks about the 4-cyliunder engine that save the company during the Great Depression.

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