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More than five years after a Christmas season in which UPS Inc. and Amazon.com offered refunds for late shipments, final-mile delivery still has plenty of kinks.

WASHINGTON — Federal policymakers crafting comprehensive transportation legislation should consider enhancing investments in low-emissions technologies across the freight sector, an executive with Cummins Inc. told a congressional panel July 16.

A supplier of drone technology to dozens of state and local law enforcement and public safety agencies, located in the United States and a handful of other countries, will stop working with Chinese drone manufacturers, citing security concerns.

Renault SA will invest 128.5 million euros ($144 million) for a 50% stake in a venture with Jiangling Motors Corp. to develop electric vehicles in China, part of a push by the French company to make further inroads into the world’s biggest car market.

The Automated Vehicles Symposium conference is attracting some of the heaviest hitters in autonomous vehicles and could be the first step in making Central Florida a hub for the fast-emerging driverless car industry.

Lotus unveiled its first all-electric supercar, the Evija, in London on July 16.

Trailer makers intending to sell their products in California beginning Jan. 1 must certify beforehand that the equipment meets the state’s Phase 2 greenhouse gas rule and receive an executive order, according to the California Air Resources Board.

The company that brought you free digital maps and e-mail wants to do the same thing for your drone.

Establishing a nationwide mandate to ensure municipalities design streets with every user in mind is the essence of legislation a group of federal lawmakers introduced this month.