RFID-Based Recycling Technology Makes Philadelphia Greener Electrical engineers have developed a system that identifies a recycling bin by its household, using Radio Frequency IDentification (RFID) chips embedded in the bins. Bins are scanned and weighed right at the curb, and the system tallies credits for households that are above average for recycling, issuing "recycle dollars" that can be used at participating businesses for discounts.
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