This was supposed to be the year driverless cars went mainstream. Then the coronavirus happened.

The timeout caused by the pandemic has hastened an industry shakeout that was already starting to happen. Many self-driving car companies have no revenue, and the operating costs are unusually high. Autonomous vehicle startups spend $1.6 million a month on average — four times the rate at financial tech or health care companies, according to PitchBook, which tracks financial activity across the industry…