Tweet by @AureliaTurbines Published 07 December 2018 08:15 PM Has your company developed an innovate solution for increasing #energyefficiency ? Take part in DENEFF's competition #PERPETUUM Energieeffizienzpreis 2019. https://t.co/iCCkjZ2uIT, — Aurelia Turbines Oy (@AureliaTurbines) December 07, 2018 18:13