Oil posted a third weekly loss as the European Union suspended talks over a Russian oil price cap amid disagreements between member states.

Oil was little changed as the European Union considered a higher-than-expected price cap on Russian crude and evidence mounted of challenges to demand.

Oil rose after a choppy session on Monday as investors juggled an uncertain supply outlook with concerns that demand in virus-hit China will slip further.

Oil emerged from a volatile session largely unchanged after Saudi Arabia denied a report that it was discussing an oil-production increase.

After long enjoying a reputation as a "bridge fuel" capable of helping the world achieve its climate goals, natural gas is losing some of its environmental lustre — and that has implications for Canada's energy sector.

Oil tumbled as everything from Wall Street sentiment to sagging demand for physical barrels of crude pointed toward an economy headed toward a slowdown.