Gas prices across Rhode Island have dropped below $3 a gallon for the first time since the pandemic days of 2021. A survey of service stations in Warwick this week found the cheapest price for regular unleaded gas at Warwick Gas, 335 Providence St., was $2.79 a gallon – a stark contrast from just two years ago, when the average gas prices were above $5, according to AAA. The last time gas prices were below $3 on average in Rhode Island was June 28, 2021.