German Car Emissions Probe Widens to Volkswagen’s Porsche

German regulators are investigating whether Porsche illegally manipulated fuel-economy data on its vehicles, potentially opening a new front in parent Volkswagen AG’s emissions-cheating scandal.

Germany’s Transport Ministry and Federal Motor Transport Authority are examining whether Porsche installed devices allowing its cars to sense whether they were being tested for fuel consumption and carbon-dioxide emissions, representatives at both agencies said on Thursday. That type of technology can be used to falsify results by making cars appear more energy efficient during tests. read more »