Hydrodec Group plc (AIM:HYR) reached an agreement to acquire an additional 27% stake in Hydrodec of North America LLC from G&S Oil Recycling Group LLC on December 28, 2018. Hydrodec Group plc (AIM:HYR) completed the acqusition of an additional 27% stake in Hydrodec of North America LLC from G&S Oil Recycling Group LLC on December 31, 2018.