Brian Niccol can't get enough of Starbucks' ceramic mugs ... Starbucks' cups have been a large part of its brand identity. In mid-November, it holds its Red Cup Day, when customers can get ...

Red light informs ... they can't fit in a cup holder, but their batteries let them be used away from their chargers for an hour or so. The best rechargeable heated coffee mugs are made of high ...