(Fargo, ND) — Motorists in our region are hitting the streets this weekend with lower prices at the pump. Eastern North Dakota gas prices are below $2.71 on average. The most expensive in Cass County ($2.71), with others seeing lower prices. Richland: $2.71. Ransom: $2.71. Trail: $2.70. Walsh: $2.69. Pembina:…