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Oregon has asked the Federal Railroad Administration to place an open-ended moratorium on oil trains traveling through the state, because preliminary findings of an investigation into the June 3 derailment in Mosier suggest inspectors might not be able to detect the problem that likely caused the crash.

An advocacy group that wants more natural-gas vehicles on the road is praising a bill passed in Colorado, which Gov. John Hickenlooper recently signed.

Gasoline prices at U.S. pumps fell for the first time in four months, according to Lundberg Survey Inc.

The U.S. retail diesel average fell 0.5 cent to $2.426, the Department of Energy reported.

Volvo Group’s two North American truck making units, Mack and Volvo, said they are offering the option to link their remote diagnostic systems with communications services from Omnitracs with the goal of providing fleet managers with more information on safety and operations.

Oil fell for a fifth consecutive day June 14, heading for the longest run of declines since February, as U.S. industry data showed crude stockpiles expanded, exacerbating an oversupply.

The rebound in fuel costs pushed up U.S. wholesale prices in May for a second month, overshadowing a drop in pricing power more broadly that signals inflation will take time to move toward the Federal Reserve’s goal.

Nikola Motor Co. said it has received more than 7,000 reservations for its yet-to-be-unveiled electric Class 8 truck, the Nikola One.

California has expanded its testing of zero-emissions electric-powered heavy-duty vehicles as the state grapples with finding solutions to the worst air quality in the nation in several of its cities, experts said.