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Two new low-viscosity oil lubricants set to come onto the market, CK-4 and FA-4, will improve fuel efficiency in heavy-duty trucks between 0.5% and 1.5%, according to a new report from the North American Council for Freight Efficiency.

Gov. Kate Brown again called for a moratorium on oil trains in Oregon, after federal regulators released findings June 23 that blamed this month's fiery derailment and spill in the Columbia River Gorge on Union Pacific's failure to maintain its tracks.

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.

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.

Oil investors are buying contracts that will only pay out if crude rises well above $100 a barrel over the next four years — a clear sign some believe today’s bust is sowing the seeds of the next boom.

Oil advanced from the highest close in more than 10 months before U.S. government data forecast to show crude stockpiles dropped for a third week, trimming a glut.

The oil market is turning its attention back to the United States as more of its rigs return to work after a surge to $50 a barrel, raising concern that a production rebound may stifle crude’s recovery.

Residents are returning home to Fort McMurray, the Alberta, Canada, oil-sands town devastated by wildfires last month. Many are counting on rebuilding efforts to give their trucking businesses a boost following a nearly two-year-long recession caused by the oil industry downturn.