By Waylon Cunningham May 20 (Reuters) – Starbucks’ plastic single-use cups it often serves in U.S. cafes are not as recyclable as the company claims, an environmental nonprofit group said on Wednesday. Vermont-based Beyond Plastics attached location trackers to 36 single-use polypropylene cups earlier this year and placed them in recycling bins inside Starbucks’ cafes across the country. None of the cups were tracked to a recycling facility, t…