Louisiana-based Cheramie Marine's offshore support vessel (OSV) Mary Cheramie has been refitted with a pair of new Mitsubishi engines, power solutions provider Laborde Products announced.The vessel's two new Mitsubishi Tier 3 S12R engines, each delivering 1,260 HP at 1,600 RPM, replace the older Caterpillar 3512 engines.According to Laborde Products, the new engines' fully mechanical design simplifies maintenance and operation while enhancing reliability and reducing emissions…