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The hydrogen internal combustion engine is already considered zero-emissions technology in the European market, and interest in the North American market is increasing.

Speakers and exhibitors at the 2025 Advanced Clean Transportation Expo illustrated a growing interest in cleaner-burning and renewable fuels for the internal combustion engine.

The future of the updated Semi is “bright and electric,” according to Dan Priestley, senior manager of Semis for Tesla.

Japan’s top automaker, Toyota, announced a partnership with U.S. autonomous driving technology company Waymo on April 30.

Mack Trucks pulled back the curtain April 29 on plans to launch a battery-electric version of the Volvo Group division’s recently unveiled flagship on-highway Class 8 tractor, the Pioneer.

Bellevue, Wash.-based Paccar reported net income of $505.1 million in the first three months of 2025, less than half the $1.2 billion profit posted in the year-ago period.

The innovation of alternative fuels is poised to move forward, said Cummins CEO Jennifer Rumsey, despite uncertainty around regulations, incentives and trade policies.

Hyundai Motor Co. unveiled the latest iteration of its Class 8 Xcient hydrogen fuel cell electric tractor April 28, overhauling the powertrain, safety systems and driver comforts.

Hydrogen trucks cost more than diesel models, but autonomous driving capabilities could double the utilization of those vehicles and improve the total cost of ownership calculation.

The new model is a battery-electric vehicle equipped with a gasoline-powered range extender that charges the battery when needed, enabling a range of up to 500 miles between charges.