According to this week’s Triple-A East Central gas price report Gas prices in Western Pennsylvania are down by a nickel this week at $2.94 per gallon. November continues to bring gas price averages under $3 for every state in the Mid-Atlantic and Northeast region. The national gas price average is $2.70. That price is six cents less than last week, 21-cents less than last month and just 14-cents more than last year.