The Volkswagen diesel scandal has led to much greater scrutiny on the methods regulatory agencies use to test vehicle emissions, particularly in Europe. Even before news of Volkswagen's diesel "defeat device" software broke, the European fuel-economy testing cycle was known to be overly optimistic, producing results that buyers could not replicate... EU cracks down as diesel scandal exposes lax tests country by country
The Volkswagen diesel scandal has led to much greater scrutiny on the methods regulatory agencies use to test vehicle emissions, particularly in Europe. Even before news of Volkswagen's diesel "defeat device" software broke, the European fuel-economy testing cycle was known to be overly optimistic, producing results that buyers could not replicate...