By Denver Nicks
October 9, 2015

The U.S. Environmental Protection Agency has launched a probe to determine if automaker Volkswagen failed to properly disclose to regulators the existence of another piece of software installed on cars to trick emissions tests by regulators.

“VW did very recently provide EPA with very preliminary information on an auxiliary emissions control device that VW said was included in one or more model years,” EPA spokesman Nick Conger said. The software is used in the same diesel engines that use a program that defrauds emissions testing, Bloomberg reports. The agency is “investigating the nature and purpose of this recently identified device.”

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