Document Number GFV-23-08
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Document title Circolare 220/M3/C2: Italian rules for diesel–gas retrofit systems type-approval
Date 13 Dec 2012
Source(s) Landi Renzo
Status
Rulemaking area(s)
Meeting(s)
Related documents
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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