The Secretariat responsible for ISO Standard 15500-15501 series (ISO TC22/SC25) has issued draft amendments to members of the working group for comment ahead of their next meeting in Prague (Czech Republic) this May. The IANGV has consultative status with respect to this standard, thus is seeking input from members and stakeholders on the proposed amendments. As well as technical considerations in the amendments, terminology clarifying natural gas vehicle types (bi-fuel, dual-fuel, etc) has also been introduced to the standard in an effort to harmonize references in all standards. Work has also gone in to harmonizing the proposed amendments with North American PRD1 and NGV 3.1 standards, with common modifications already agreed to. Comments are due for submission to the Secretariat no later than April 15. Members and stakeholders wishing to review the working drafts and submit comments may apply for copies of the working drafts by email to standards@iangv.org.
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