sustainable bike design
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Commuter Life
Recycled Plastic Bicycle: The IV-1 Prototype That Asked Hard Questions
In 2008, Matt Clark built a fully functional bicycle from recycled polypropylene plastic. The IV-1 prototype demonstrated innovative manufacturing and recyclability but never reached commercial production. This review examines what the IV-1 proved, why plastic bicycles haven't succeeded, and whether the concept still makes sense nearly two decades later.