Question: How can a company like Caterpillar try to counter a slump in sales of bulldozers and trucks during a pandemic that has made every human a potential disease vector?

Answer: Cut out human operators, perhaps?

Caterpillar’s autonomous driving technology, which can be bolted on to existing machines, is helping the U.S. heavy equipment maker mitigate the heavy impact of the coronavirus crisis on sales of its traditional workhorses.

With both small and large customers looking to protect their operations from future disruptions, demand has surged for machines that don’t require human operators on board.

Sales of Caterpillar’s autonomous technology for mining operations have been growing at a double-digit percentage clip this year compared with 2019, according to previously unreported internal company data shared with Reuters.

By contrast, sales of its yellow bulldozers, mining trucks and other equipment have been falling for the past nine months, a trend that’s also hit its main rivals including Japan’s Komatsu Ltd and American player Deere & Co .

Fred Rio, worldwide product manager at Caterpillar’s construction digital & technology division, told Reuters that a remote-control technology, which allows users to operate machines from several miles away, would be available for construction sites in January.

The company is also working with space agencies to use satellite technology to allow an operator sitting in the United States to remotely communicate with machines on job sites in, say, Africa or elsewhere in the world, he said.

Caterpillar’s automation strategy was not born during the COVID-19 era, though. The company stepped up investments in such technologies as it emerged in 2017 from the longest downturn in its history, as part of a plan to increase recurring revenue from lucrative sales of services.

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