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Tankers are offloading millions of barrels of Iranian oil into storage tanks at Chinese ports, creating a hoard of crude sitting on the doorstep of the world’s biggest buyer.

In the absence of a strong federal partner, states clamoring for infrastructure funds have taken financing measures into their own hands.

WASHINGTON — Federal policymakers crafting comprehensive transportation legislation should consider enhancing investments in low-emissions technologies across the freight sector, an executive with Cummins Inc. told a congressional panel July 16.

Trailer makers intending to sell their products in California beginning Jan. 1 must certify beforehand that the equipment meets the state’s Phase 2 greenhouse gas rule and receive an executive order, according to the California Air Resources Board.

The almost relentless thrust that has doubled crude output from the Permian Basin in three years is showing some signs of waning.

The U.S. average retail price of diesel dropped by 0.4 cent to $3.051 a gallon, the Department of Energy reported July 15. Meanwhile, crude oil slid to less than $59 a barrel during trading of West Texas Intermediate.

President Donald Trump has cited his move to allow year-round sales of high-ethanol gasoline as farmers pressure him to dial back decisions to exempt oil refineries from biofuel-blending mandates, signaling the president sees the two issues as related.

Oil traded near a seven-week high as supply risks from a storm in the Gulf of Mexico and falling U.S. stockpiles were countered by a weak market outlook from OPEC in 2020.

Day cabs — especially those with a high roof and pulling a box trailer — can qualify for SmartWay designation that signifies the equipment significantly lowers fuel use and reduces air pollution, the Environmental Protection Agency said.