A circular economy is a regenerative system in which resource input and waste, emission, and energy leakage are minimized by slowing, closing, and narrowing energy and material loops; this can be achieved through long-lasting design, maintenance, repair, reuse, remanufacturing, refurbishing, recycling, and upcycling.
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The materials chosen depend a lot on their cost, repairability, and durability. Fuel efficiency is just one of many variables on the minds of car designers. The typical family sedan these days is usually made from steel body panels with plastic front and rear fascias.
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