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Document Title Circolare 220/M3/C2: Italian rules for diesel–gas retrofit systems type-approval
Reference Number GFV-23-08
Date
24 Dec 2012
Source(s) Landi Renzo
Rulemaking Area(s) UN R143 HD Dual Fuel Retrofit Systems, UN R67 LPG Equipment, and UN R110 CNG/LNG System Components
Meeting(s)
Downloads
UNECE server .pdf format
Excerpts from session reports related to this document
GFV | Session 23 | 13 Dec 2012

• Diesel mode maintained in the D-F system
• Emissions: ECE/EU regulation must be met
• Noise levels at original ECE/EU levels
• Diesel engine governor unchanged
• Safety: approved within UNECE R.67 and R.110.
• ‘System family’ of components are tested; some more than once.
• Inspection & Approval like bi-fuel retrofit vehicles
• Final approval by local departments of Ministry of Transport

Discussion
• Rules under R.115 apply
• No rules for gas energy ratio (GER). Measurement is gas and diesel