3 ms·
> 8.9% ? Is a significant difference? Yes, but how much of it is due to improvements in newer combustion engines and new EU-wide emission norms?
by lazyjones 8y ago
> 8.9% ? Is a significant difference?
Yes, but how much of it is due to improvements in newer combustion engines and new EU-wide emission norms?
- adrianN 8y agoThe improvements would have to be either massive, or the fraction of new cars on the road would have to be much higher than I'd expect.