Investing.com - Oil was lower Monday as the chances of an OPEC deal to cut output hung in the balance.
U.S. crude was down 31 cents, or 0.67%, at $45.75 at 07:00 ET, while Brent oil crude fell 0.66% to $47.92.
Saudi Arabia said Friday it would not attend a meeting between OPEC and non-OPEC members due Monday.
There are doubts about Iran and Iraq's stance to a possible cut.
OPEC is due to hold a formal meeting on Wednesday in Vienna.
The dollar indexwas lower. A weaker dollar lends support for demand for oil.