23 Aug '11, 11am

Ask Pablo: Do $1 Coins Have A Smaller Footprint Than $1 Bills? @PlanetMoney

Ask Pablo: Do $1 Coins Have A Smaller Footprint Than $1 Bills? @PlanetMoney

National Public Radio (NPR) has recently reported on the Federal Reserve's $1 Billion stash of $1 coins that nobody wants . NPR reports that "the coins are the wasteful byproducts of a third failed congressional effort to get Americans to use one-dollar coins in everyday commerce." The current incarnation of the $1 coin features presidential portraits, George Washington through Ulysses S. Grant so far, and 20% of US coins are required to carry the image of Sacagawea. US $1 coins weigh 8.1 grams are made from copper (88.5%) with a manganese brass cladding (6% zinc, 3.5% manganese, and 2% nickel) so the $1 billion in coins contain: 7,168.5 metric tons of copper, worth at least $63.2 million dollars at today's prices, 486 metric tons of zinc, worth $1 million, 283.5 metric tons of manganese, worth $1 million, and 162 metric tons of nickel, worth $3.5 million. A formal Life Cy...

Full article: http://www.treehugger.com/files/2011/08/ask-pablo-us-one-...

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