The recently-assembled super-committee tasked with saving the US from financial disaster by years end wants to trade dollar bills for dollar…coins? Wait, dont we already have some of those that nobody uses?This controversial plan has been floated before but has met with a tepid response from most Americans and strong lobbying efforts from both paper and mining industries and the states in which those industries reside. However, a recent study by the Government Accountability Office found that the coins longer lifetime—4.2 years vs. 22 months for bills—would translate into a $5.6 billion savings over the course of 30 years.

via Would You Use Dollar Coins if It Saved the Government $5.6 Billion?.