News World VW investigation opened

VW investigation opened

Former VW boss Martin Winterkorn said he was "infinitely sorry" for the scandal before resigning. Photo: Getty
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German prosecutors have launched an investigation into former Volkswagen CEO Martin Winterkorn over the rigging of vehicle emissions tests, as the carmaker suspended three top engineers in an attempt to tackle the crisis.

The investigation into Mr Winterkorn, who quit on Wednesday after almost nine years at the helm of Europe’s largest carmaker, is into “allegations of fraud in the sale of cars with manipulated emissions data”, the prosecutor’s office said.

Volkswagen, which has admitted to cheating diesel emissions tests in the United States, is under huge pressure to get to grips with the biggest business scandal in its 78-year history.

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It named company veteran Matthias Mueller on Friday as chief executive and agreed to appoint a US law firm to conduct a full investigation.

Sources familiar with the matter said it had also suspended the heads of research and development at its core VW brand, luxury division Audi and sports car maker Porsche.

But the crisis showed no sign of dying down.

Two German newspapers said Volkswagen’s own staff and one of its suppliers had warned years ago about the illegal use of so-called “defeat devices” to detect when a car was being tested and alter the running of its diesel engine to conceal their emissions of toxic nitrogen oxides.

VW admitted to cheating emissions tests.
VW admitted to cheating emissions tests. Photo: AAP

Environmental campaign group Transport & Environment (T&E) published new data on Monday showing that some new Mercedes, BMW and Peugeot cars use 50 per cent more fuel than laboratory tests show, saying this was evidence of a wider industry problem.

T&E, which works closely with the European Commission, said its data did not prove other firms were using defeat devices.

But it said the gap between lab results and road performance had grown to such an extent for emissions of both carbon dioxide and nitrogen oxides that further investigation was needed to discover what carmakers were doing to mask emissions.

“The Volkswagen scandal was just the tip of the iceberg,” said Greg Archer, clean vehicles manager at T&E, adding that the gap between lab tests and real-world performance cost a typical driver about $700 per year.

The European Automobile Manufacturers’ Association (ACEA), which represents top carmakers, has said there is no evidence the use of defeat devices is an industry-wide issue.

In a statement on Monday, it said it supported the development of updated testing.

US and European regulators have said they are working on tighter rules.

Sources close to the matter told the Reuters news agency on Monday that the company had suspended a number of its research and development chiefs.

Those included VW brand development chief Heinz-Jakob Neusser, Audi’s research and development boss — who also oversees technical development across the group — Ulrich Hackenberg, and Porsche’s head of group engine and transmissions development, Wolfgang Hatz.

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