Bioheat Connecticut is the state's forward-thinking, new heating fuel. This innovative fuel is a blend of ultra-low sulfur home heating fuel and 100% renewable, domestically-grown crops such as soybean, sunflower, linseed, and sesame. Bioheat fuel is designed to be energy-efficient, save you money, and is made with renewable resources that promote better air quality by reducing greenhouse gas emissions. It's a safe, renewable energy resource that supports the local economy and helps keep the environment clean.