"Chasing 4 x 4s from cities" is a smokescreen to pass future legislation because most of what are called "4 x 4s" are up to standard, for example with the entry-level Duster which is already in EURO5 standards. With its 1180 kg and 4,31 m it will be difficult to drive it out of the cities. It is Mr. Toutlemonde's unpolluted Diesel that is targeted.
Even if this measure is insufficient, the little impact it will have will be a good thing.
After a measure is good or bad, there are always dissatisfied ....