Since January 2016, he has been a full member of the Committee of Inquiry into Emission Measurements in the Automotive Sector (EMIS) that submitted/presented their conclusions in March 2017.
Ertug war ab Januar 2016 Mitglied im Untersuchungsausschuss zu Emissionsmessungen in der Automobilindustrie (EMIS), welcher im März 2017 seine Schlussfolgerungen vorgelegt hat.