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A new Department of Transportation Inspector General audit concludes that the Federal Motor Carrier Safety Administration’s information technology infrastructure is fraught with security weaknesses that are at risk for compromise by hackers and the placement of malware.

NASHVILLE, Tenn. — The head of the U.S. Environmental Protection Agency praised the collaborative work between the trucking industry and his department on a federal program that has helped pave the way for cutting fuel consumption and reducing the carbon footprint across the transportation landscape.

Amazon .com Inc. is talking up the size of its delivery operation to ease public alarm that a supply chain crisis could strangle holiday shopping.

DETROIT — The head of the U.S. National Transportation Safety Board is calling on Tesla to act on recommendations to limit where its Autopilot driver-assist system can operate and to put a system in place to make sure drivers are paying attention.

NASHVILLE, Tenn. — Strategies for increasing the awareness and adoption of new safety technologies for trucks were outlined during the first day of American Trucking Associations’ Management Conference & Exhibition here at the Music City Center.

Intel Corp.’s plans for a multibillion-dollar investment in a new U.S. semiconductor plant hang in part on Congress moving on a stalled plan to bolster the domestic chip industry, the company’s chief executive said.

U.S. trailer orders in September reached the third-highest level this year, clearing 28,000. But that was far short of year-ago volumes, according to ACT Research.

Elon Musk and thousands of Tesla Inc.’s die-hard fans and customers are in an uproar about NHTSA’s new pick as its senior safety adviser.

An announcement Oct. 18 from Amazon’s self-driving car unit Zoox that it will soon start testing its autonomous vehicles in downtown Seattle drew criticism from transportation safety advocates.