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Here’s why autonomous trucks could hit the mainstream before self-driving cars

Volvo Trucks’ collaboration with DFDS aims to use autonomous Vera vehicles transporting goods, partly on pre-defined public roads in an industrial area.

Volvo Trucks’ collaboration with DFDS aims to use autonomous Vera vehicles transporting goods, partly on pre-defined public roads in an industrial area.

Published Jan 7, 2022

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Oxford, England - We'd all be whizzing round in robotaxis by now if Elon Musk had been right. Instead, fully self-driving cars are struggling to get away from the starting grid and some investors are betting that driverless trucks will reach the chequered flag first.

Only a year ago, startups developing robotaxis were pulling in eight times more funding than firms working on autonomous trucks, buses and logistics vehicles, but the gap has narrowed dramatically in 2021.

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With fewer regulatory and technological hurdles, trucks operating on major highways, fixed delivery routes or in environments far from cyclists and pedestrians such as mines and ports are now being seen as a faster way to generate returns.

In the latest trucking deal, Robotic Research said recently that it has raised $228 million (R3.6bn) by tapping outside investors for the first time to expand its autonomous trucks, buses and logistics vehicles business. Robotic Research Chief Executive Alberto Lacaze told Reuters the company was deploying autonomous vehicles at scale where the business case works for customers "right now".

"They don't have to wait until 2025, unlike robotaxis where you need to have the cost of all the sensors come down by an order of magnitude," he said.

Autonomy overpromises

As recently as 2019, Tesla's Musk had promised a million robotaxis "next year for sure", but self-driving cars that can navigate safely anywhere are still a long way off.

Lucid Motors Dream Edition P and Dream Edition R electric vehicles. File picture: Caitlin O'Hara/Reuters.

Peter Rawlinson, head of electric vehicle start-up Lucid Motors, said last month that it would be a decade before fleets of robotaxis hit the roads - even with the most advanced sensors.

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Still, while long-haul trucks are easier to automate than robotaxis because major highways are simpler environments than bustling city roads, self-driving truck company executives are cautious about how fast they can ramp up.

"We're very cognizant of the overpromises that the industry has made," said Cheng Lu, chief executive of self-driving truck technology company TuSimple.

"The industry understands the complexity of the problem now and that solving it will take a longer time," he said.

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For now, TuSimple has a fleet of about 50 trucks with safety drivers aboard crisscrossing America's warmer southern states, but it plans to have a national network covering major US highways by 2024.

That will involve major investments in mapping highways, learning how to handle tougher weather and road conditions further north and in new self-driving trucks being developed by Navistar, which is part of Volkswagen's Traton.

'A long journey'

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But rolling out a truly national network could take years as self-driving trucks still face a major challenge: human drivers.

An autonomous vehicle will always hit the brakes if it encounters a "testosterone-laden human male", said Ralf Klaedtke, chief technology officer at TE Connectivity, which makes sensors and electronic systems to handle masses of self-driving data for the auto industry.

"The autonomous vehicle will always be the slowest in mixed traffic," he said.

Paul Newman, founder of British autonomous vehicle software startup Oxbotica, says robotaxis remained his "North Star", his clear long-term goal.

Paul Newman, founder of British autonomous vehicle software startup Oxbotica, is seen next to a converted pickup truck that has been used for test self-driving operations with a mining company, in Oxford. Picture: Nick Carey / Reuters.

But for now he is focusing on simpler applications, some of which use a purpose-built, fully-electric self-driving vehicle from Australian startup Applied EV.

"This is a long journey," he says while showing off test vehicles at the company's headquarters in Oxford in England. "It's one of the hardest engineering problems to solve."

Oxbotica is working on vehicles for mines in partnership with Wenco, part of Hitachi Construction Machinery, and on many different options with energy company BP, such as vehicles for remote wind and solar farms.

Morag Watson, BP's senior vice president for digital science and engineering, said Oxbotica's technology could monitor large sites, or haul equipment out to humans undertaking repairs. She said they would be testing many different options in 2022.

"We've barely scratched the surface of what we can do with industrial autonomy," Watson said.

Oxbotica is also working with British online food delivery and technology company Ocado which automates supply chain systems for the likes of US retail chain Kroger. BP and Ocado have both invested in Oxbotica.

Alex Harvey, Ocado's head of advanced technology, said Oxbotica's technology could be used "in the warehouse, in the yard, on the road, or kerb to kitchen".

No left turns!

US autonomous EV maker Outrider has targeted distribution yards - picking up trailers after truckers drop them off and lining up new ones to be hauled away - including at a Chicago yard for paper company Georgia-Pacific.

Outrider has developed a robot arm for the truck to connect and disconnect trailers. Chief Executive Andrew Smith says it will scale up to thousands of vehicles over the next five years.

The start-up wants to start doing short hops between yards but operating on public roads adds complexity, Smith said.

"We saw through the early hype of the technology and recognised distribution yards were the perfect near-term solution with their repetitive, low-speed operations in confined environments," he said.

Going out on public roads requires moving carefully, partly because of regulations, but also because of legal pitfalls in a litigious market such as the United States.

Ian White, chief executive of digital insurer Koffie Labs, said a "black swan billion dollar" crash could wipe out any company that moves too fast and gets it wrong.

"You'd be putting your balance sheet on the line," he said.

That's why Gatik has opted for a careful approach for its "middle-mile" delivery routes between distribution centres and retailers, Chief Executive Gautam Narang said.

Gatik's trucks run on short, predictable routes avoiding left turns across oncoming traffic, schools, hospitals, fire stations, blind turns - or anything complicated.

"We're not working on every tricky situation the autonomous vehicle industry is trying to solve," he said. "We're taking baby steps using routes that are uneventful from a complexity standpoint."

"We decided to focus on a simpler use case where the need was very acute," Narang said. "We're not building the technology for technology's sake."

Reuters

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