Carbon Slumps Most in 11 Months as Allowance Demand Seen Cooling
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Carbon plunged the most in almost a year amid speculation that European Union emissions data will show greenhouse-gas output dropped more than expected in 2013, reducing demand for pollution rights.
Carbon futures for December fell as much as 29 percent, the biggest one-day drop since April 2013, on the ICE Futures Europe exchange in London. Trading volume in the contracts more than doubled to a record this week, making this the busiest quarter since carbon futures started in 2005.