Ford under criminal investigation in US over auto emissions | Business

The US Department of Justice has launched a criminal investigation into Ford’s emissions certification process.

Ford said on Friday that it was fully cooperating with government agencies, as it became the latest car manufacturer to be investigated over emissions.

However, Ford said that the concerns did not involve the use of defeat devices – the cheat software used to deliberately lower emissions during official tests, which were at the heart of the Volkswagen “dieselgate” scandal in 2015.

According to a regulatory filing by Ford, the company voluntarily disclosed what it called a “potential concern” to both the US Environmental Protection Agency (EPA) and California’s Air Resources Board two months ago. Ford said in February that it had hired external experts to check its testing procedures after its own employees raised concerns.

The focus of the probe appears to be whether Ford accurately assessed the “road load”, or drag and resistance, of its vehicles, and its “coast down” testing, when a vehicle stops once power is no longer applied.

The modelling can significantly alter the certified emissions: a report by the International Council on Clean Transportation in 2016 found that in every model it analysed manufacturers were underplaying road load figures and subsequent carbon emissions by an average of 7%.

Even if the discrepancy is far lower than from defeat devices, Ford could be hit with a fine. It said: “Because this matter is still in the preliminary stages, we cannot predict the outcome, and we cannot provide assurance that it will not have a material adverse effect on us.”

Mercedes and its parent company Daimler remain under investigation in the US by both the DoJ and the EPA for possible defeat devices in Mercedes diesel vehicles, in a process that has lasted nearly three years.

Lawyers have filed a class action on behalf of Mercedes car owners in the US courts, claiming that vehicles marketed as eco-friendly were instead massively exceeding pollution limits.

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The EPA said earlier this month that more legal actions against car manufacturers were “in the works”. In January, Fiat Chrysler reached an $800m settlement with the US government and California to resolve claims of defeat devices in its vehicles.

Independent, real-world emissions tests have shown that diesel cars from virtually all manufacturers significantly exceeded official NOx pollution limits.

VW admitted installing defeat devices to game the testing system in some 11m cars it produced, and has agreed to pay more than $25bn in the US in fines, compensation and buyback settlements with owner.

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