State-run gas distributor Mahanagar Gas Limited (MGL) on Saturday hiked CNG prices across the Mumbai Metropolitan Region (MMR) by ₹2 per kg. The CNG across Mumbai, Thane, Navi Mumbai and other parts of the MMR will now cost ₹86 per kg. Notably, the prices were last revised on May 14, when the rates were hiked by ₹2 per kg.