President Donald Trump’s plan to refill the US’s emergency crude storage system — “right to the top,” in his words — would help protect against future oil-price shocks. But it’s easier said than done.

Oil futures ended lower on Tuesday as traders weighed prospects for crude supplies after President Donald Trump vowed to boost already record U.S. crude output, threatened to implement a steep tariff ...

Oil prices rose for a second day on Thursday after a larger-than-expected decline in U.S. crude oil stockpiles added to ...

U.S. crude-oil futures rose more than $1, helped by robust distillate heating oil demand amid a winter blast in U.S. and Europe and as the energy market focused on possible supply disruptions because ...