U.S. and global oil futures declined on Thursday as a hefty rise in last week’s U.S. supplies and uncertainty surrounding tariff disputes helped to weaken the outlook for crude demand, prompting prices to settle at their lowest levels of the year.

Oil prices edged up in volatile trade on Monday but closed at a one-month low on the expiration of a higher-priced contract, as the market digested U.S. President Donald Trump's planned imposition of tariffs on Canada,

President Trump’s tariff on Canadian oil is expected to raise prices at the pump for U.S. consumers, if it takes effect as planned after a 30-day delay. Analysts told The Hill that the 10 percent

Oil futures on Wednesday marked their lowest settlement prices of the year, after official U.S. data showed a weekly climb of nearly 9 million barrels in U.S. crude inventories and as the U.S.-China trade battle threatened to dent demand.

Oil prices fell more than 2% on Wednesday as a large build in U.S. crude and gasoline stockpiles signalled demand weakness while concern about a new China-U.S. trade war fuelled fears of softer economic growth.

Oil prices on the New York commodity exchange are falling after China imposed tariffs on American goods, including oil and liquefied natural gas. In addition to concerns about a trade war, investors are also worried about U.

Oil prices on the New York commodity exchange are dropping after China imposed tariffs on American goods, including oil and liquefied natural gas. Brokers report that investors are also worried about US sanctions on Iran.