World

March 25, 2013

As U.S. tightens rules on lead emissions, battery recycling has moved to Mexico

Mexico’s standard for lead emissions standards are 10 times less stringent than the United States’. Since 2004, that’s meant a fivefold increase in the number of spent car batteries being shipped to Mexico from the United States and a dwindling in U.S.-based smelting operations to just 14.

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