There is fear that some significant portion of the recent increase in redemption rate may be due to fraud. Oregon recently increased the redemption from 5 cents to 10 cents, but the neighboring state of Washington still does not have a deposit. This creates an incentive for people to scavenge bottles in Washington and return them across the border in Oregon. Here's a recent article about the problem: "Oregon senator…
Is this still even a thing? Michigan also has a 10 cent deposit, and fraud was an issue in the 90's, but it's been fixed since. Grocery stores use automated bottle scanners to check barcodes. I'm not sure how you could "fool" a machine that needs a barcode for each physical bottle return.
That’s a valid bottle, but an abuse of the system because they are getting 10 cents from Oregon that was never paid. The point of the program is you pay 10 cents and get it back if you recycle.