Relying on expensive LPG cylinders is a financial burden and relies on non-renewable fossil fuels. Most household kitchen waste ends up in landfills, rotting and releasing harmful methane gas. Vaayu, a compact biogas system by a Pune IITian, uses natural digestion to turn 2kg of daily food scraps into clean cooking fuel for your home. Users can stop buying LPG—some for over 7 years—while managing waste at the source and saving money.
