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The Federal Highway Administration has withdrawn its rule that would have required state departments of transportation and metropolitan planning organizations to report year-over-year changes in carbon dioxide emissions on U.S. interstates and major highways.

General Motors Co. and the SoftBank Vision Fund are partnering to invest in GM Cruise to bring self-driving vehicles to market by next year, the company said May 31.

Tim Sylvester, CEO of Kansas City, Mo.-based Integrated Roadways, thinks his startup company’s “smart pavement” — bristling with sensors and the latest fiber-optic and wireless technology — could be a lifesaver in mishaps.

The California Air Resources Board has approved amendments to toughen state standards on heavy truck smoke opacity limits as well as require motor carriers with two or more trucks to report their annual smoke test results to the agency.

A bipartisan group of senators recently introduced a bill that would relax both electronic logging device and hours-of-service requirements for livestock haulers.

UPS Inc. will increase its over-the-maximum limits and the oversize pallet-handling surcharge to $650 from $500 beginning June 4.

State officials figure the Volkswagen diesel emissions testing scandal added an extra 10,000 tons of noxious nitrogen oxide to California’s air. To make up for it, the state will use $423 million of Volkswagen penalty money to cut the same amount of nitrogen oxide by subsidizing the purchase of zero-emission trucks, buses and other vehicles.

More fleets are requesting downsped engines that run at about 1,100 rpm at highway speeds, significantly slower than previous generations of diesels.

Since the Uber accident in March, autonomous car researchers’ eyes have been opening to the need to teach robots how to drive in the dark and avoid people who wander into the road.

This spring, a struggle for market share in online tire retailing turned into a battle for dominance as giants Goodyear and Bridgestone paired off against Amazon and Sears.