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The settlement is in response to an EPA investigation into

Aug. 6, 2017 by Paul Fletcher

The settlement is in response to an EPA investigation into a diesel fuel additive, found in two of many cars found in the state and other parts of the country.

In December, the EPA launched an investigation of Chrysler's diesel emissions systems, which it said were the biggest source of NOx in the world. They found that the Chrysler system on diesel models produced more than 20 times the allowable amount of NOx over the course of a 3.5-year period.

The settlement with Chrysler does not affect the EPA's ability to implement other state and federal efforts to reduce emissions and improve driving safety.

"The settlement includes substantial benefits for all affected consumers through the addition of additional safeguards to address the problem and provide for the most efficient use of clean energy," the EPA said in a statement. "The settlement also provides a meaningful and substantial opportunity for the EPA to make significant progress on reducing emissions and improving driving and driving safety."

In July, the EPA launched an investigation into diesel pollution on its diesel-powered vehicles. Chrysler and Fiat Chrysler also agreed to pay $1.5 billion each to the EPA and the state of California in the settlement.

In a July 30 letter to the EPA, the EPA asked Chrysler to remove the parts from the vehicles that produced NOx and remove its parts from its other vehicles.

"The EPA will ensure that all of your vehicle information is available to the public, including, but not limited to, its diesel-powered vehicles" for future EPA reviews, the letter said.

The agreement also includes an additional $2.5 billion to pay for additional safeguards to address the problem, including the use of more than 100,000 miles of dedicated emission and emission monitoring equipment.

"The agreement includes additional protections for the EPA's EPA-regulated diesel emissions tests and a further $2.5 billion to pay to the EPA for certain of the following:

• The ability to collect more air pollution and emissions data from diesel engines

• The ability to use a safer, safer, more efficient, and more effective process for detecting and addressing the problem

• The ability for Chrysler to keep the EPA's standards of performance for its diesel-powered vehicles in place and to develop a new system for detecting and controlling NOx emissions.