(24 Nov 2020, 12:01 pm)Jamie M wrote Euro ratings aren't based on efficiency, just emissions alone. Some enhanced Euro modifications, like adblue, may actually adversely affect efficiency (MPG). There are also plenty of older vehicles that can meet Euro 6 standard, but aren't efficient enough to really bother.
Which seems to contradict the comments made previously that the enhanced BSOG can make or break evening routes, which may end up subsidised and contracted out to the likes of GCT without it.
Surely if the mods are available and the grants are attractive, an operator that bothered about its customers would look to retrofit to Euro6 and ensure there's some sort of service on an evening...