PORTLAND – The start of the new workweek brought lower gasoline prices to Maine motorists.

According to AAA, a gallon of regular sold for $2.73 on Monday, down 4 cents from a day earlier and 87 cents in the past month.

Diesel sold for $3.45 a gallon, down from $4.02 a month ago.

Nationally, gas was averaging $2.67 a gallon, according to AAA.