We've got bad news for cola fans hoping to sleep their way through the rest of 2020.America is facing a caffeine-free cola shortage—and it's unclear when the non-buzz-worthy sodas will return.An aluminum can shortage has forced Coke to be more selective of which existing products they package.So, given caffeine-free cola's relatively tepid popularity, it's easy to see how they would go by the wayside first.And shoppers around the country report that finding it on store shelves is becoming difficult.Unfortunately, finding these sodas online isn't any easier. .On Amazon, one store is selling six-packs of two-liter bottles for a wildly-expensive $10 per bottle