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Nikola Motor Co. is starting the hiring process to staff its new Arizona research and development center, slated to open in November.

The U.S. average retail price of diesel fuel fell 1.9 cents to $3.266 a gallon, following a .3 cent decline a week ago, according to the weekly report from the U.S. Department of Energy’s Energy Information Administration on June 11. Despite the drop, diesel now costs 74.2 cents more per gallon than it did one year ago.

A Starship landed in Jacksonville, Fla. But there were no aliens on board, just 40,000 pounds of reef-building material hauled cross-country in an experimental lightweight truck with streamlining everywhere.

A Canadian startup is testing a system that sucks carbon dioxide from the air and converts it into fuel for cars and other vehicles.

A day after a tentative agreement to overhaul U.S. biofuel policy appeared to collapse amid farm-state concerns, EPA chief Scott Pruitt met to discuss the issue with the lead senator pushing for the changes: Ted Cruz.

PORTLAND, Ore. — Freightliner Trucks introduced the first all-electric versions of its heavy-duty Cascadia and medium-duty M2 models here, a major step toward bringing a full lineup of electric trucks to the North American market.

California air-pollution regulators want to meet with Trump administration officials over plans to ease federal auto-efficiency standards, saying in a letter to the White House that efforts to undermine the state’s authority would run afoul of the law.

Although Georgia’s most recent transportation funding bill has generated enough to finance some major future projects, it will not be able to keep pace with the state’s growing infrastructure and capacity needs, according to a recent report from The Road Information Program.

For the first time in 11 weeks the U.S. average retail price of diesel decreased, dropping by .3 cent to $3.285, according to the U.S. Department of Energy’s Energy Information Administration report June 4.