In Coimbatore, Kishan Karunakaran saw waste not as a problem but as raw material. With co‑founders, he launched Buyofuel, a platform to aggregate fragmented biofuel supply and offer traceability and distribution at scale. Investors were cautious at first and the biofuel market was underdeveloped, but the team stayed focused. As awareness grew and environmental priorities rose, Buyofuel’s growth exploded, earning national recognition. Today it supplies biofuel to major companies and offsets significant carbon emissions. Their story teaches that redefining waste as opportunity can create both economic value and environmental impact.