Planika ventless fireplaces fuel run on a special bioethanol based fuel – FANOLA. Fanola based on ethanol fuel for fireplace of plant origin is a renewable and green source of energy. While burning it produces no smoke, no smell and leaves no ashes.The special formula of Fanola has been patented and Planika is the only legitimate producer of this biofuel. Moreover, the product has been tested in terms of safety for people and environment and received positive opinions from international certifying bodies, like: TÜV, PZH, CNBOP, OMNI-Test Laboratories Inc. and EcoLogo Programme.