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MADRAS, Ore. — Fleet owners should not expect the truck and engine sections of the federal Phase 2 rule on greenhouse gas emissions to change before implementation starts in 2021, said Roger Nielsen, the CEO of Daimler Trucks North America.

WASHINGTON — A funding proposal for the country’s infrastructure system would likely entail myriad options, such as public-private partnerships and raising taxes on fuel, the former chairman of the Senate transportation committee told reporters May 16.

SAN FRANCISCO — Uber Technologies Inc. must promptly return stolen confidential files to Alphabet Inc.'s Waymo self-driving car unit, a federal judge ruled May 15, while stopping short of shutting down the ride-services company's autonomous car program.

The U.S. average retail price of diesel dropped 2.1 cents to $2.544 a gallon, and oil prices regained some ground lost over the past two weeks amid indications OPEC-led production cuts could be extended for six more months.

Nikola Motor Co. is considering several changes related to its planned hydrogen-electric Class 8 trucks, the com­pany told those who have made reservations and placed refundable deposits. Those changes include chassis design and leasing options.

Along with increasing its diesel tax by 10 cents, Indiana recently approved a 10-cent increase to a surcharge tax for trucks.

SAN FRANCISCO — Uber Technologies Inc. hired the team behind a Chicago transportation brokerage last fall as part of an effort to break into the longhaul trucking industry.

Nikola Motor Co. is considering several changes related to its planned hydrogen-electric Class 8 trucks, the company told those who have made reservations and placed refundable deposits. Those changes include chassis design and leasing options.

The Energy Information Administration said domestic output of crude oil will climb to a record 9.96 million barrels a day in 2018, up from 9.9 million barrels projected last month, according to the agency’s monthly Short-Term Energy Outlook released May 9.