UNDATED (WKZO) -- Gas prices have dropped by nearly seven cents per gallon in Michigan, and that may be the beginning of a trend. A number of petroleum analysts and experts say we may have seen the worst already this spring.

Tom Kloza with the Oil Information Institute says its supply and demand. He says expect prices to continue to drop right through Memorial Day. The weekly survey from Triple A Michigan finds the average price for unleaded gas is $2.83 a gallon. It’s not difficult to find it for less than that in West Michigan.