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Tesla Inc. endured a roughly seven-week shutdown of its most important car plant in the world last quarter, but its brand-new backup factory may have saved the day.

Hyliion Inc.’s Class 8 long-range electric powertrain underscores the transition period of multiple alternative powertrains is at hand. And the powertrain, whose batteries are charged by an undersized natural gas engine, could prove to be an important step toward carbon-free over-the-road transportation, experts said.

Jacobs Vehicle Systems’ cylinder deactivation technology delivered a “host of performance-enhancing benefits” in a recent independent validation, the company announced, including raising exhaust temperature and improving fuel consumption.

House Democrats on June 30 will issue an ambitious plan to combat climate change, a move intended to reassure their base of supporters but that’s sure to inflame opponents on the right.

California environmental regulators approved a measure that within a few years will require truck manufacturers to transition a percentage of their sales in the state from diesel trucks to electric zero-emission vehicles.

The company that bought the aging Lordstown, Ohio, auto factory from General Motors last year unveiled an electric pickup truck it plans to build at the plant, one of many new electric light-trucks manufacturers plan to start selling over the next two years.

In a cavernous Northeast Ohio factory that General Motors Co. left last year, a small group of engineers is coaxing dormant robots back to life — one by one — in a long-shot bid to build a new type of pickup truck.

Industry feedback aimed at a report on regional trucking called for additional attention to the complexity of managing aerodynamic equipment in that operational environment, and generated new assumptions on the length of haul.

Thermo King announced the launch of the Advancer series, which it called “a re-imagining” of the trailer refrigeration unit.

Several West Coast electric utilities proposed a phased-in approach to electrifying Interstate 5 in an effort to reduce commercial vehicle emissions along the major freight corridor.