Dry dung fuel, also known as dung briquettes or dung cakes, is a traditional form of biofuel used in many parts of the world. It is made by drying animal dung, typically from cows, buffaloes, or camels, and forming it into compact shapes for burning. Despite its rudimentary nature, dry dung fuel serves as a vital energy source in rural areas, especially in developing countries where access to modern energy sources is limited. While it emits smoke and pollutants when burned, it remains a sustainable option due to the renewable nature of dung. However, its use raises concerns about indoor air pollution and deforestation, as collecting dung can lead to overgrazing and depletion of natural resources. Efforts to improve the efficiency and environmental impact of dry dung fuel are ongoing, aiming to balance its cultural significance with sustainable energy practices.