evidence: GasBuddy.com, which has tracked local and regional prices at the pump for more than a decade, showed widespread prices below $2 in Queens, Yonkers and along New Jersey's Route 4 on Monday morning. [...] And even $2 may seem high in a few days -- there are spots in Central Jersey just pennies from $1.50 a gallon. According to AAA, the national average gas price is down to $1.81 a gallon -- with the tri-state still at the higher end of pricing nationwide, despite the sharp drop in demand. That's a 17 percent decline in just one month.