Oil prices fell toward $50 a barrel Monday in Asia as investors mulled comments from OPEC suggesting the price was too low for companies to justify new investments in...

OPEC and Asian energy officials called Sunday for new oil investments and tougher measures to combat speculation in crude markets that some have argued helped fuel last...

A weakened dollar and evidence that OPEC has significantly slowed production sent oil prices soaring to new highs for the year Thursday.

Oil prices edged up to almost $48 a barrel Tuesday amid growing confidence that OPEC’s decision to ensure members comply with production quotas will support the...

Oil prices dipped in Asia on Tuesday as traders weighed OPEC’s decision to maintain production levels amid persistent concerns over the global financial crisis.

A senior OPEC official has challenged the US and other industrialized countries to clean up the global economic mess that he says they have caused.

OPEC ministers decided Sunday not to directly cut oil output in an effort to raise prices, but to focus instead on stopping individual members from producing above...

OPEC oil ministers said Sunday that they will stick to present output levels but seek to end overproduction by some members.

OPEC oil ministers say they will stick to present output levels but seek to end overproduction by some members.

OPEC ministers called Saturday for an end to overproduction by some members as they sought to boost oil prices by eliminating nearly 1 million barrels a day from the...

As the world’s appetite for crude shrinks, OPEC this weekend as ministers arrive in Europe to debate whether oil producers should tighten their spigots even...

Oil prices wavered Friday as OPEC heads to Europe to discuss supply levels amid more predictions that demand for crude is falling.

Oil prices rose to near $48 a barrel Friday as investors wondered whether OPEC will announce a production cut at its meeting on Sunday, and how big the cut might be.

Oil prices rose to just over $48 a barrel Friday as investors wondered whether OPEC will announce a production cut at its meeting on Sunday, and how big the cut might...

Oil prices rose to above $47 a barrel Friday as investors wondered whether OPEC will announce a production cut at its meeting on Sunday, and how big the cut might be.

Oil prices slipped below $47 a barrel as investors jockeyed over whether OPEC will announce a production cut at its meeting on Sunday, and how big the cut might be.

Oil prices spiked 11 percent Thursday as rumors swirled that Russia would join OPEC in slashing crude production.

Oil prices soared 9 percent Thursday as investors stepped in to take advantage of a plunge in crude prices this week, just three days before OPEC meets in Europe.

Oil prices rose Thursday as investors stepped in to take advantage of a plunge in crude prices this week, just three days before OPEC meets in Europe.

Oil prices tumbled more than 7 percent Wednesday as U.S. inventories swelled with surplus crude and traders started to doubt whether OPEC would cut production further.