Can algae bioreactors replace oil? Sydney firm makes the case

Nick Hazell is backing the smallest organisms - algae - to build a cleaner economy. His Sydney startup, Algenie, touts a helical photobioreactor and AI‑powered strain optimization to grow algae cheaply at industrial scale, supplying plastics, food, and biofuels and, he says, eventually enabling gigatonne‑level carbon removal. Syakir Jasnee reports.