Oil prices climbed on Tuesday as investors awaited the outcome of U.S.-China talks that could pave the way for easing trade tensions and improve fuel demand. Brent crude futures rose 28 cents, or 0.4%,

High-level delegations from the United States and China are meeting in London to try and shore up a fragile truce in a trade dispute that has roiled the global economy.

Monday's U.S.-China trade talks could be about a lot more than just tariffs. U.S. and China officials met in London Monday to discuss trade, in what could be a de-escalation of the trade war between the world's two largest economies. The talks are likely to cover rare earth metals and other flashpoints.