Modern Stoves off a wide range of Bio Ethanol Fires & Stoves. Bio Ethanol fires and stoves burn Bio fuels that eco-friendly, smokeless, clean-burning, odourless, ash free and environmentally friendly. We offer a fantastic and alternative to having a traditional wood burning or sold fuel fuel appliance. Bio Ethanol fires don’t require a chimney or flue system, making them both easy and cheap to install.