The US has cemented its status as a net exporter in world oil markets, a sharp reversal from past years that could affect its ties to foreign allies.
The top oil producer and consumer exported 89,000 more barrels of crude oil and refined petroleum products a day than it imported in September, the first full month of a positive oil trade balance since the 1940s, the Energy Information Administration said Friday. Imports exceeded exports by 12m barrels a day a decade ago.
A variety of factors contributed to the shift: surging production from shale oilfields, the end of a crude oil export ban in 2015 and fuel economy improvements for cars that limited petrol demand even as highway travel rebounded from a recession.
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