But hes also spent years quietly building a vertical farming startup.
But the panels often didnt work.
Instead, the greenhouses fans, water pumps and other needs were often powered by diesel generators.
Larry Ellison has plowed $500 million into vertical farming startup Sensei, but the company has been beset by problems.Andrew Liszewski/Gizmodo
Many places around the world feature similar conditions and could theoretically benefit from vertical farms.
That in part explains why many vertical farming startups have focused on heads of lettuce.
Musks Square Rootslaid off most of its staffthe same year.
Besides technical challenges, these startups have struggled to reach economies of scale.
There is a reason why Uber and Airbnb prefer to not own any assets.
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