There is more good news at the gas pump for Billings motorists.

Average retail gasoline prices in Billings have fallen 6.3 cents per gallon in the past week, averaging $1.89 per gallon on Sunday, according to GasBuddy's daily survey of 81 gas outlets in Billings. This compares with the national average that has fallen 6.5 cents per gallon in the last week to $1.90 per gallon, according to gasoline price website GasBuddy.com.

Areas nearby Billings and their current gas price climate:

  • Montana: $1.91 per gallon, down 5.3 cents per gallon from last week's $1.96 per gallon..
  • Idaho: $2.08/g, down 1.5 cents per gallon from last week's $2.09 per gallon.
  • Wyoming: $1.86 per gallon, down 3.2 cents per gallon from last week's $1.89 per gallonn.

Including the change in gas prices in Billings during the past week, prices on Sunday were 7.9 cents per gallon lower than the same day one year ago and are 19.0 cents per gallon lower than a month ago. The national average has decreased 10.0 cents per gallon during the last month and stands 15.9 cents per gallon lower than this day one year ago.

"The continued and unprecedented plunge in the price of crude oil has continued, allowing gasoline prices in virtually the entire U.S. to continue plummeting," said Patrick DeHaan, GasBuddy senior petroleum analyst, in a prepared statement.