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Of all the freeways in the United States, the most productive corridor for self-driving trucks appears to be Interstate 5 through Washington and Oregon, according to a report released this week by the Kirkland, Wash.-based Inrix data company.

BERLIN — Dozens of European countries are backing a plan to increase the use of hydrogen as an alternative to fossil fuels to cut the continent’s carbon emissions.

Tesla Inc. is under investigation by the Justice Department over public statements made by the company and CEO Elon Musk, according to two people familiar with the matter. The criminal probe is running alongside a previously reported civil inquiry by securities regulators.

Electric vehicle charging continues to surge, a move that will only hasten the adoption of electric cars and other vehicles such as commercial trucks. ChargePoint, which manages a network of EV charging locations worldwide, has pledged to build out 2½ million public charging ports by 2025, with roughly half of those in North America and half in Europe.

Chris Ignowski left a lasting impression at FedEx and the National Truck Driving Championships as a safety proponent whose knowledge of the industry's rules and regulations was unmatched.

Holly Springs, N.C., hopes to be among the first spots in the United States where drones are used for package delivery.

Self-driving cars could be on the road in large numbers sooner than anyone expected — possibly by 2021 — even if public support for autonomous vehicles appears to be dropping.

As things stand today, the driverless car of the future can’t handle more than a dusting of snow.

GENEVA — More than half of all workplace tasks will be carried out by machines by 2025, organizers of the Davos economic forum said in a report released Sept. 17 that highlights the speed with which the labor market will change in coming years.