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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.

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.

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.

Consumers across the U.S. still will be able to buy higher-ethanol blend E15 gas this summer, the EPA announced, saving them a little money at the pump but frustrating environmentalists.

The models were unveiled April 14 at a media preview at Texas Motor Speedway in advance of the trucks’ official debut April 28 at the Advanced Clean Transportation Expo.

Port of Stockton in California celebrated the debut of an expanded renewable fuels terminal that will facilitate the movement of biodiesel and renewable diesel from ships.