金吾财讯 | 据央视新闻报道，市场监管总局（国家标准委）近日批准发布《车用压缩天然气》强制性国家标准，将自2027年8月1日起实施。本次标准修订旨在提升产品质量、保障使用安全、促进贸易公平。一是技术指标持续健全，新增甲烷值和互换性要求，明确车用压缩天然气的甲烷值应不小于65，与欧洲标准的要求保持一致，当甲烷值小于70时，加气站须在经营场所显著位置向社会公示具体数值。同一地区的车用压缩天然气应能互换使用，确保不同气源的天然气在切换使用时不影响发动机性能和安全性。二是试验方法全面升级，新增或调整了高位发热量、总硫、硫化氢、二氧化碳、氧气、水露点、水含量等项目的检测方法，其中甲烷值计算方法新增丙烷爆震指数法（PKI-MN法）作为仲裁试验方法，与国际标准接轨。三是取样与判定规则不断完善，新增“取样”独立章节，取样点设在车用压缩天然气交接点。判定规则明确检验结果达到全部质量要求视为合格，不符合时应复测。
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