No, the trash police aren’t on the way to your house. But on Oct. 1, it will be illegal for plastic bottles to find their way into North Carolina landfills. Keeping bottles out of landfills here should increase supplies of recycled bottles available to be turned into items such as more bottles, carpet and pricey outerwear. “The more people who engage in recycling plastics, the more that’s going to help companies like Unifi take advantage of a cost-competitive product,” said Roger Berrier, an executive vice president with the Greensboro-based textile maker.