Teenagers Create an Exhaust Filter That Turns Vehicle Emissions Into Oxygen A group of innovative teenage students has developed a groundbreaking exhaust filtration system that can convert harmful vehicle emissions into cleaner air and oxygen-like output, offering a hopeful glimpse into the future of pollution control. Designed as a low-cost, add-on device for vehicle exhausts, the system focuses on reducing toxic gases before they enter the atmosphere. The prototype works by passing exhaust fum