tja, recently an offer fluttered from the volvo-haendler pure – 750 euronen incl. installation. the one-time tax saving is 330 euro, added 1.20 per beginning 100 cubic centimeters per year, which you have to use without filter coming april as impact plates. that is 28.80 euro each for the d5, which for the next four years become weak = 115.20 euro. for 304,80 teuro (plus interest =;^) ) one gets thus a green plaque, with which one does not the next driving bans to f a cleaner oeko-knowing and probably a somewhat higher selling value, when it is time for some time. what do you think: does that pay off?