Oil prices were little changed on Thursday, maintaining the previous session's losses on uncertainty over how U.S. President Donald Trump's proposed tariffs and energy policies would affect global economic growth and energy demand.

Oil futures headed lower Tuesday as traders weighed President Donald Trump’s vow to boost already record U.S. crude output against the threat of a steep tariff on Canadian imports and a call to replenish the Strategic Petroleum Reserve.

Oil prices dipped in Asian trade on Thursday, extending losses amid uncertainty over how U.S. President Donald Trump's proposed tariffs and energy policies would impact global economic growth and energy demand.

Oil futures rose Wednesday, taking back some of the ground lost the previous session as investors weighed President Donald Trump’s energy policies and tariff threats.

Oil prices held steady on Wednesday, with traders closely watching President Donald Trump's proposed tariffs and the potential impact of the national energy emergency he declared on his first day in office.

President Donald Trump launched a sweeping overhaul of US energy policy hours after taking office Monday, putting the weight of the federal government behind fossil-fuel production and pulling back from the fight against climate change.

Trump said In his inaugural address that the US has "the largest amount of oil and gas of any country on Earth, and we are going to use it."

Oil prices edged higher on Wednesday as the dollar weakened, with traders closely watching U.S. inventories, President Donald Trump's proposed tariffs and the potential impact of the national energy emergency he declared on his first day in office.