34. The expert from the Netherlands introduced GRPE-69-02, proposing the introduction of reference fuels E5 (petrol) and B5 (diesel fuel) into UN GTR No. 2. The Chair noted that this would require an authorization to develop an amendment by AC.3. The expert from Japan commented that the current reference fuels should remain as an alternative. The Chair proposed to report about this matter at the June 2014 sessions of WP.29 and AC.3. The expert from the Netherlands volunteered to prepare a request for authorization to amend UN GTR No. 2.