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Hess Corp. signaled its $53 billion agreement to be bought by Chevron Corp. may be delayed after ExxonMobil filed for arbitration to preserve its rights to a massive oil discovery off Guyana.

WASHINGTON — A new EPA rule that sets tougher standards for deadly soot pollution faced a barrage of legal challenges March 6, as 25 Republican-led states filed lawsuits seeking to block it.

Senate Majority Leader Chuck Schumer called on the Federal Trade Commission to open a full investigation into a wave of acquisitions in the oil and gas industry, arguing that the consolidation threatens competition and could lead to higher prices.

NEW ORLEANS — The commercial vehicle market is expected to grow thanks to a supportive economy as certain technologies are adopted within the heavy-duty market, according to research.

General Motors' hydrogen fuel cell business is working on a $65 million pilot program for hydrogen-based work site products centered around medium-duty, fuel-cell powered trucks.

Uber struck a partnership with EV ride-hailing startup Revel Transit to make charging stations in New York more accessible as it inches toward making all trips zero-emission by 2030.

NEW ORLEANS — Hexagon Agility plans to expand its manufacturing capacity next year to meet expected demand for Cummins’ upcoming X15N natural gas fueled engine, an executive said March 4.

Cummins Inc. executives recently detailed the plans for the company’s updated X15 engine platform, including how the so-called HELM fuel-agnostic architecture got its name.

A new partnership has been formed between the U.S. Environmental Protection Agency and U.S. Department of Energy to release $9.4 million in grants to develop future advanced biofuels.

The Biden administration is expected to soften proposed regulations meant to sharply curb vehicle emissions and promote EVs, two sources familiar with the situation told The Detroit News.