Burning through cash

Tue Feb 7, 2012 4:00pm EST

1 of 11. Banknotes undergo a quality check at the logistics centre of the National Bank of Hungary in Budapest February 7, 2012. Once they are taken out of circulation, the bank notes are recycled for fuel, and a few charities each year get 20-30 tonnes of paper bricks each.

Credit: Reuters/Laszlo Balogh

Hungary is the only country to recycle its worn cash for fuel each year, a total of some $1 billion worth. The bricks are sent to charities, covering some of their heating fuel costs.