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Congressional support for technologies that promote energy efficiency is key to reducing emissions across the transportation landscape, industry stakeholders told a House panel Sept. 18.

LONG BEACH, Calif. — A panel representing the shipping industry spoke about the looming International Maritime Organization mandate that will require cargo vessels to burn low-sulfur diesel, and shippers and carriers said the requirements could lead to price increases or the rerouting of freight.

RALEIGH, N.C. — As trucks become more complex and high-tech, so, too, do the repairs and maintenance systems, experts said Sept. 18 at the fall meeting of American Trucking Associations’ Technology & Maintenance Council.

First there was derision. Then mockery turned into admiration. Now a battle is unfolding between the most revered names in the automobile world, Porsche and Tesla Inc., on one of the world’s most challenging racetracks.

DUBLIN, Va. — The next generation of the 13-liter turbo compound engine from Volvo Trucks North America offers improved fuel economy over the current model, the company announced.

The Trump administration has decided to advance a plan to strip California of its power to regulate greenhouse gas emissions from automobiles on its own.

Ten regional-haul drivers, whose experience ranges from one year to 42 years, will participate in the Regional Run on Less fuel efficiency roadshow from Oct. 7 through Oct. 25, the North American Council for Freight Efficiency announced Sept. 10.

Natural gas-fired power plants, which have crushed the economics of coal, are on the path to being undercut themselves by renewable power and big batteries, a study found.

Porsche picked Niagara Falls, a Chinese wind farm and a solar site in Germany to unveil its first all-electric sports car, underscoring the new Taycan’s central role in turning parent Volkswagen AG into the world’s leading seller of battery-powered vehicles.

Startup truck manufacturer Nikola Corp. has secured a commitment of $250 million in funding from CNH Industrial N.V. — a leader in natural gas-powered trucks and buses and the parent company of Iveco trucks — in a move designed to accelerate the use of heavy-duty trucks that use battery-electric and fuel cell technologies in North America and Europe.