VW/Audi
This is going to hurt the bottom line a bit! So wonder how the fix will affect their fuel mileage and used car prices? LINK The Environmental Protection Agency and California issued a notice of v...
Forum Discussion
The current US Tier 2 has a lower NOx output requirement than the EU Euro VI does although their PM outputs are the same. They also use different drive cycles to determine output. Current US Tier 2 vehicles will most likely pass Euro VI, but Euro VI vehicles will not pass US Tier 2 due to the lower NOx requirement of the US emission standard. This is why there was a delay on the VM Ecodiesel when they first came out. The engines met the European standards, but had to be recalibrated to meet more stringent US standards.
