After a 13-week decline, on-highway diesel prices increased a penny this week, according to figures released June 16. The national average, at-the-pump diesel price rose to $1.432 from $1.422 a gallon, the Energy Information Administration reported.

The highest price in the nation was in California, at $1.651 a gallon.

The dollar-fifty mark is still found in New England, where the price is $1.563; the Central Atlantic region, where the price is $1.557; and on the West Coast, where the price is $1.570. The lowest average prices are on the Gulf Coast, at $1.379, and in the Lower Atlantic region, at $1.377.

The remaining regions' prices per gallon are as follows: the Midwest, at $1.410; the Rocky Mountain region, where the price is $1.449; and on the East Coast, where the price is $1.439.