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A plan to impose congestion pricing tolls on Massachusetts roadways remains kicked back to the state Legislature and unlikely to proceed following Gov. Charlie Baker’s recent veto.

WASHINGTON — All 50 states received final approval Sept. 27 to begin construction on a first nationwide network of electric vehicle charging stations that places one roughly every 50 miles along interstate highways, part of the Biden administration’s plan to spur widespread adoption of zero-emission cars.

Cemvita Factory Inc., a Houston-based biotech company backed by Occidental Petroleum Corp., says tax credits passed by Congress last month will allow it scale up plans to produce hydrogen using oil-eating microbes.

The U.S. Department of Energy, the private sector and a new national nonprofit have stepped up their respective efforts recently to bring hydrogen forward as a mainstream fuel for trucking, among other industrial uses.

Expressing concern over commercial driver license issuance delays and possible fraud, regulators are seeking comment on the effectiveness of third-party training and testing programs.

To better position the use of advanced energy in the nation’s heartland, governors of seven states have formed the Midwest Hydrogen Coalition to spur creation of a robust hydrogen market, supply chain and workforce.

Hurricane Ian was growing stronger as it approached the western tip of Cuba on a track to hit the west coast of Florida as a major hurricane as early as Sept. 28. Gov. Ron DeSantis declared a statewide emergency and waived certain hours-of-service rules.

It’ll cost more to mail letters and packages this holiday season. Starting Oct. 2, the U.S. Postal Service is increasing its rates for both commercial and retail products.

TUCSON, Ariz. — Pony.ai, a developer of self-driving cars based in China and Silicon Valley, will begin testing its autonomous vehicles in Tucson, with trained safety drivers behind the wheel, in a partnership with Pima Community College.