Starbucks will let you use your own clean reusable cups and personal mugs for most walk-in or drive-thru coffee and drink orders to help reduce waste.

As of Wednesday, Starbucks customers in the US and Canada can order beverages in a clean, personal cup. There are only two caveats: the cup must be clean and less than 40 ounces. Getty Images When ...

SEATTLE, Wash. – Starbucks customers can use clean, personal mugs for drive-thru and mobile app orders. When they do, they will receive a 10-cent discount on beverages.