Euro 3456789

This may be a stupid question, but what do the numbers mean ? Is it for example euro 5 =50% reduction in emissions ,euro 6 =60% reduction and so on

Is it just the latest spec? ie 6 is later than 5. Like iOS 4 5 6 etc?

Ah ok fair enough .

en.wikipedia.org/wiki/European_e … _standards :slight_smile: