The past week was a tumultuous one in aviation, as Delta Air Lines dumped fuel on a group of schoolchildren, and Iran admitted it shot down a passenger flight, killing all 176 people on board.

Boeing, which has faced a number of embarrassing revelations in the aftermath of crashes involving its 737 Max jets, began a new era under CEO David Calhoun, who will attempt to resolve a number of lingering issues at the aerospace manufacturer.

The electric-vehicle startup Byton also has something to prove. I interviewed the company's CEO, Daniel Kirchert, at the Consumer Electronics Show in Las Vegas, where he outlined the advanced technology Byton hopes will distinguish it from its competitors.

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These are the biggest transportation stories from the past week:

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