The price of regular gas in the five-county Philadelphia area remained at $2.72 for about a week, then slipped by 1 cent overnight, to $2.71, according to AAA Mid-Atlantic.
South Jersey's average went up 1 cent on Saturday, to $2.51, then went back down to $2.50, where it remained today.
The national average declined 1 cent over the weekend, and remained at $2.63.
The Philly area's diesel average was up 1 cent from Friday's average, at $3.03. South Jersey's average was down 1 cent, to $2.70.
The national diesel average remained at Friday's level of $2.82.
Meanwhile, oil prices fell below $75 a barrel as the dollar strengthened and several OPEC ministers said they don't expect their group to change production levels at a meeting later this month.
At early afternoon in Europe, benchmark crude for January delivery was down 67 cents to $74.80 in electronic trading on the New York Mercantile Exchange. The contract lost 99 cents to settle at $75.47 on Friday.
Top oil officials from Libya, Kuwait, Algeria and Qatar said Saturday that the Organization of Petroleum Exporting Countries, which supplies about 35 percent of the world's crude, will likely leave output levels unchanged at the group's next policy meeting on Dec. 22.
In other Nymex trading in January contracts, heating oil fell 1.01 cents to $2.0167 and gasoline slipped 1.28 cents to $1.9622. Natural gas jumped 16.5 cents to $4.751 per 1,000 cubic feet.