Road vehicles. Internal combustion engines

ISO/DIS 17536-1 - Road vehicles — Aerosol separator performance test for internal combustion engines — Part 1: General
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 11 Feb 2026
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prEN 12805 - LPG equipment and accessories - Automotive LPG components - Containers
Categories: Road vehicles. Internal combustion engines
Committee: CEN/TC 286 (Liquefied petroleum gas equipment and accessories)
Origin: CEN
Close date: 12 Feb 2026
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ISO/DIS 2974 - Diesel engines — 60° concave cones for high-pressure fuel injection components
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 19 Feb 2026
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ISO/DIS 15500-21 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 21: Discharge line closures
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 20 Feb 2026
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ISO/DIS 15500-23 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 23: Gas temperature sensor
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 20 Feb 2026
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ISO/DIS 15500-1 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 1: General requirements and definitions
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-10 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 10: Gas-flow adjuster
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-11 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 11: Gas/air mixer
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-12 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 12: Pressure relief valve (PRV)
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-13 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 13: Pressure relief device (PRD)
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-14 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 14: Excess flow valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-15 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 15: Gas-tight housing and ventilation hose
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-16 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 16: Rigid fuel line in stainless steel
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-17 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 17: Flexible fuel line
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-18 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 18: Filter
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-19 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 19: Fittings
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-2 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 2: Performance and general test methods
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-20 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 20: Rigid fuel line in material other than stainless steel
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-3 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 3: Check valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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ISO/DIS 15500-4 - Road vehicles — Compressed natural gas (CNG) fuel system components — Part 4: Manual valve
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 41 (Specific aspects for gaseous fuels)
Origin: ISO
Close date: 23 Feb 2026
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