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The U.S. Postal Service didn’t give Workhorse Group Inc. a fair shot at a contract worth as much as $6 billion to build mail delivery vans, the maker of electric vehicles said in its challenge of the service’s decision to award the work to Oshkosh Corp.

Engine maker Cummins Inc. announced it signed a letter of intent to acquire a 50% equity interest in Momentum Fuel Technologies, a provider of compressed natural gas fuel systems, from truck dealership Rush Enterprises Inc.

Xos Inc., a Los Angeles-based manufacturer of fully electric Classes 5-8 commercial vehicles, announced it signed an agreement to deliver three Xos electric step vans to UniFirst Corp. in a test program with potential for additional vehicle purchases for use across the United States.

The national average price of diesel increased for the ninth consecutive week June 28 when it climbed 1.3 cents to reach $3.30 a gallon, the Energy Information Administration reported.

Baker Hughes is taking a 15% stake in a startup that aims to produce natural gas from hydrogen and carbon dioxide, the oil field service company’s latest move to invest in technology designed to capture emissions.

Tesla Inc.’s aspirations in China were dealt a major blow over the weekend after the government ordered that almost all the cars it has sold in the nation — more than 285,000 of them — be fixed to address a safety issue.

7-Eleven Inc. was ordered by U.S. antitrust regulators to sell 293 gas-station retail stores acquired earlier this year as part of its $21 billion purchase of Marathon Petroleum Corp.’s Speedway business.

The House voted June 25 to rescind a Trump-era rule blocking the Environmental Protection Agency from directly limiting oil industry emissions of the powerful greenhouse gas methane, a move that would restore requirements imposed by the Obama administration while freeing the agency to craft new more stringent rules for the oil and gas industry.

The Environmental Protection Agency has wide latitude to exempt refineries from federal mandates that they mix renewable fuels into gasoline and diesel, the U.S. Supreme Court ruled June 25, a victory for oil companies seeking a break from the requirements.

Crude oil inventories in America’s largest storage hub are falling fast as the post-pandemic demand rebound continues to outpace production.