Gas was no more expensive today than yesterday in the five-county Philadelphia area, on average, but was up 1 cent overnight in South Jersey and in the nation as a whole, according to AAA Mid-Atlantic.

The average for a gallon of regular no-lead remained at $2.70 overnight, but was up 1 cent in South Jersey (to $2.49) and in the nation (to $2.62).

Diesel averages were the same in the Philly area (at $3.01), but up 1 cent in South Jersey (to $2.69) and in the United States overall (to $2.80).

Meanwhile, oil prices dipped below $79 a barrel as the dollar strengthened and the government said the nation's crude supply shrank less than expected.

Benchmark crude for February delivery gave up 7 cents to $78.80 a barrel on the New York Mercantile Exchange. In London, Brent crude for February delivery fell by a penny to $77.63 a barrel on the ICE Futures exchange.