Remove caps from bottles before recycling. Because they melt at far different temperatures, a cap mixed in with bottles can leave unmelted plastic, making the whole batch unusable for other items.
[For more easy, money-saving, Earth-friendly tips, download a FREE copy of Green Riches: Help the Earth & Your Budget. Go to www.Smashwords.com/books/view/7000 or your favorite e-book seller and download to your computer or e-book device. Totally free, with no strings attached.]