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Description of ASTM-D8080 2024ASTM D8080-24Active Standard: Standard Specification for Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG) Used as a Motor Vehicle FuelASTM D8080Scope 1.1 This specification defines the minimum fuel quality requirements for gaseous fuels consisting primarily of methane when used as an internal combustion engine fuel. 1.2 This specification defines the criteria for compressed natural gas (CNG), liquefied natural gas (LNG), renewable natural gas (RNG), or biogas when used as a fuel for internal combustion engines in motor vehicles. 1.3 This specification covers the needs of internal combustion engines designed for use in motor vehicles. 1.4 This specification covers six fuel grades defined by their calculated methane number (MNc) and the maximum allowed volume fraction of sulfur expressed in ppm(v). They are described as follows: 1.4.1 Grade MNc65 S5—A blend with up to 5 ppm(v) sulfur and meeting a minimum MNc of 65. 1.4.2 Grade MNc65 S16—A blend with up to 16 ppm(v) sulfur and meeting a minimum MNc of 65. 1.4.3 Grade MNc65 S32—A blend with up to 32 ppm(v) sulfur and meeting a minimum MNc of 65. 1.4.4 Grade MNc75 S5—A blend with up to 5 ppm(v) sulfur and meeting a minimum MNc of 75. 1.4.5 Grade MNc75 S16—A blend with up to 16 ppm(v) sulfur and meeting a minimum MNc of 75. 1.4.6 Grade MNc75 S32—A blend with up to 32 ppm(v) sulfur and meeting a minimum MNc of 75. 1.5 Fuels that have been enriched with hydrogen are outside the scope of this specification. 1.6 This specification applies to the fuel as delivered into the on-board fuel tanks of a motor vehicle either as a compressed gas or cryogenic liquefied gas. 1.7 This specification may serve as a guide to gaseous fuel quality requirements for internal combustion engines used in stationary applications. 1.8 This specification is not a natural gas pipeline standard; those requirements are determined by national and regional tariffs. 1.9 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. 1.10 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.11 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Keywords calculated methane number, MNc; compressed natural gas, CNG; liquefied natural gas, LNG; natural gas; renewable natural gas, RNG; ICS Code ICS Number Code 75.160.20 (Liquid fuels) DOI: 10.1520/D8080-24 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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