Oil prices fell for a second straight month and quarter on Tuesday, Sept. 30, amid concerns over a looming OPEC production hike and a decline in U.S. consumer confidence.

Oil prices extended their decline Tuesday morning, heading toward a second straight monthly and quarterly loss.

Oil prices fell nearly 3% Monday, Sept. 29, their biggest one-day slide since mid-July, on signs a monthly OPEC+ meeting this week will greenlight more output that could add to supply.

Oil prices tumbled about 2% in Monday morning trade ahead of a monthly OPEC meeting later this week where further production hike commitments were expected to add to oversupply concerns.

Officials with Tallgrass Energy said they would soon be shipping CO2 from the first of 11 ethanol plants connected to its pipeline -- a converted, former natural gas pipeline -- for a 392-mile trip across Nebraska, Colorado, Iowa and...

Oil prices rallied a fourth straight day on Friday, Sept. 26, heading for their best week since June, amid pressure for greater sanctions against Russia, which also cut fuel exports after domestic shortages caused by Ukrainian strikes...

Oil prices settled flat to higher Thursday after a strong US GDP number for the second quarter erased early losses caused by worries that stalled Kurdish crude exports could soon return to the market.