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Opel Denies Rigging Diesel Emission Systems
General Motors Co.’s Opel unit insists an investigation by Der Spiegel is wrong in concluding that some of the company’s diesel engines were set up to evade emission requirements.
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General Motors Co.’s Opel unit insists an investigation by Der Spiegel is wrong in concluding that some of the company’s diesel engines were set up to evade emission requirements.
Emission control systems for diesels are configured to dial back operations under narrow conditions that otherwise would harm the engine. Last week Der Spiegel said independent tests revealed that certain Opel diesels turned off their emission controls under normal operating temperatures.
But Opel CEO Karl-Thomas Neumann says Der Spiegel’s conclusions are based on a misunderstanding of the “complicated interrelationships” of modern emission control systems. Neumann reiterates “our engines are in line with the legal requirements,” and he predicts regulatory agencies will agree.
Opel is scheduled to meet on Wednesday with Germany’s Federal Motor Transport Authority (KBA) to discuss the issue. In April three German carmakers agreed to recall a combined 630,000 of their Audi, Opel, Mercedes-Benz, Porsche and Volkswagen brand diesels and narrow the conditions in which their emission controls cut off.
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