Self-Cleaning Streetlights Using Oil Palm Waste: A Sustainable Smart City Innovation
Introduction: A Bright Idea Born from Waste If someone suggested that tomorrow’s streetlights could be improved using oil palm waste, it might sound unconventional. Yet in today’s circular economy, materials once treated as disposal problems are increasingly being transformed into high-value engineering resources. Across tropical regions, oil palm plantations generate vast quantities of byproducts each…