New dieselcars need EHC Particelfilter
Real-driving emissions from diesel passenger cars measured by remote sensing and as compared with PEMS and chassis dynamometer measurements – CONOX Task 2 report
Read the studien here
This means that in workshops, show rooms and other places where cars and vehicles start and move need exaustcleaning. EHC Partikelfilter reduce particles and gases which is stuck to the particles.