Gaznet engineers and produces ADR-approved gas transport and storage containers for biogas, biomethane, CNG, and hydrogen. Type-4 cylinders, mobile filling stations, and custom solutions.https://megccng.com/enhttps://megccng.com/energy/20ft-vs-40ft-megc/https://megccng.com/energy/20ft-vs-40ft-megc/The 40 ft MEGC is not cheaper per Nm³ to buy — cylinders are 75% of the cost and scale linearly. Its entire advantage is in the truck. Here is the break-even.Mon, 24 Aug 2026 00:00:00 GMTenergyhttps://megccng.com/energy/adr-type-approval-document-pack/https://megccng.com/energy/adr-type-approval-document-pack/Every document required to type-approve a Multi Element Gas Container and to operate it legally under ADR — the full checklist, and what to do if your supplier is missing one.Mon, 24 Aug 2026 00:00:00 GMTenergyhttps://megccng.com/energy/megc-biomethane-capacity/https://megccng.com/energy/megc-biomethane-capacity/Actual payload of a 20 ft and 40 ft MEGC in kg, Nm³ and MWh, calculated with real-gas densities — plus the temperature effect that costs you 10% of every load.Mon, 24 Aug 2026 00:00:00 GMTenergyhttps://megccng.com/news/membrane-separation-compact-flexible-and-growing-fast/https://megccng.com/news/membrane-separation-compact-flexible-and-growing-fast/How membrane separation upgrades raw biogas to biomethane — the science, the operational economics, and where it fits relative to PSA and water scrubbing.Tue, 28 Oct 2025 00:00:00 GMTnewshttps://megccng.com/energy/pressure-swing-adsorption-biogas-upgrading/https://megccng.com/energy/pressure-swing-adsorption-biogas-upgrading/How PSA upgrades raw biogas to pipeline-quality biomethane, including the science, operating economics, and cases where it is the right choice.Mon, 29 Sep 2025 00:00:00 GMTenergyhttps://megccng.com/engineering/water-scrubbing-the-classic-workhorse-of-biogas-upgrading/https://megccng.com/engineering/water-scrubbing-the-classic-workhorse-of-biogas-upgrading/How water scrubbing upgrades raw biogas to biomethane, using a simple physical process that remains reliable against PSA and membrane separation.Wed, 17 Sep 2025 00:00:00 GMTengineeringhttps://megccng.com/news/cngcylinders-eu-cng-hydrogen-resource/https://megccng.com/news/cngcylinders-eu-cng-hydrogen-resource/CNGCylinders.eu is a Gaznet platform connecting CNG and hydrogen professionals to certified cylinders, MEGC systems, and technical resources.Mon, 07 Apr 2025 00:00:00 GMTnewshttps://megccng.com/energy/cng-daughter-station/https://megccng.com/energy/cng-daughter-station/What a CNG daughter station is, why operators choose it over fixed pipelines, and how MEGC and tube-trailer logistics support remote refuelling.Thu, 06 Mar 2025 00:00:00 GMTenergyhttps://megccng.com/energy/hydrogen-storage-and-transportation/https://megccng.com/energy/hydrogen-storage-and-transportation/Practical options for hydrogen storage and transport — gaseous vs liquid, cylinder types, MEGC and tube-trailer logistics, and where each option fits.Fri, 04 Oct 2024 00:00:00 GMTenergyhttps://megccng.com/energy/megc-multi-element-gas-containers/https://megccng.com/energy/megc-multi-element-gas-containers/What an MEGC is, how Multi Element Gas Containers transport CNG and hydrogen across road, rail, and sea, and why operators choose them.Tue, 01 Oct 2024 00:00:00 GMTenergyhttps://megccng.com/energy/the-economics-of-cng-cost-analysis-and-savings-for-different-sectors/https://megccng.com/energy/the-economics-of-cng-cost-analysis-and-savings-for-different-sectors/Why CNG can be cheaper to run than diesel or petrol, including fuel pricing, vehicle maintenance, sector ROI, and MEGC container distribution.Mon, 23 Oct 2023 00:00:00 GMTenergyhttps://megccng.com/energy/cng-cylinder-recycling-and-disposal-sustainable-strategies-for-end-of-life-cylinders/https://megccng.com/energy/cng-cylinder-recycling-and-disposal-sustainable-strategies-for-end-of-life-cylinders/How CNG cylinders are recycled at end of life, including steel and aluminium recovery, long service life, and responsible disposal practices.Fri, 20 Oct 2023 00:00:00 GMTenergyhttps://megccng.com/energy/addressing-safety-concerns-debunking-3-myths-about-cng-storage-cylinders/https://megccng.com/energy/addressing-safety-concerns-debunking-3-myths-about-cng-storage-cylinders/Three common misconceptions about CNG cylinder safety, including explosion risk, flammability, and how cylinders are engineered and tested.Sun, 15 Oct 2023 00:00:00 GMTenergyhttps://megccng.com/energy/cng-cylinder-certification-unpacking-the-testing-and-approval-processes/https://megccng.com/energy/cng-cylinder-certification-unpacking-the-testing-and-approval-processes/How CNG cylinder certification works in practice, from design evaluation and production testing to type approval and periodic re-qualification.Fri, 13 Oct 2023 00:00:00 GMTenergyhttps://megccng.com/energy/cng-cylinder-transportation-safety-guidelines-for-handling-and-shipping/https://megccng.com/energy/cng-cylinder-transportation-safety-guidelines-for-handling-and-shipping/Practical guidelines for transporting CNG cylinders safely, including pre-trip inspection, secure packaging, labelling, and ventilation checks.Tue, 03 Oct 2023 00:00:00 GMTenergyhttps://megccng.com/news/converting-vehicles-to-cng-understanding-the-cylinder-options-and-installation-process/https://megccng.com/news/converting-vehicles-to-cng-understanding-the-cylinder-options-and-installation-process/How CNG vehicle conversion works, from choosing the right cylinder type to the installation sequence and when conversion makes sense.Tue, 03 Oct 2023 00:00:00 GMTnewshttps://megccng.com/news/the-environmental-impact-of-cng-storage-a-look-at-emissions-reduction-and-sustainability/https://megccng.com/news/the-environmental-impact-of-cng-storage-a-look-at-emissions-reduction-and-sustainability/Why CNG storage matters for emissions reduction, from lower carbon footprint and efficient compression to durable cylinders and renewable BIO-CNG.Tue, 03 Oct 2023 00:00:00 GMTnewshttps://megccng.com/energy/the-role-of-cng-storage-in-renewable-energy-storing-and-distributing-biogas/https://megccng.com/energy/the-role-of-cng-storage-in-renewable-energy-storing-and-distributing-biogas/How CNG storage and transport infrastructure makes biogas viable as a renewable energy source — from collection at the digester to delivery at the user.Tue, 03 Oct 2023 00:00:00 GMTenergyhttps://megccng.com/news/safe-cng-cylinder-storage-best-practices-for-residential-and-commercial-applications/https://megccng.com/news/safe-cng-cylinder-storage-best-practices-for-residential-and-commercial-applications/Practical CNG cylinder storage guidance — siting, ventilation, monitoring, and maintenance disciplines for residential and commercial settings.Wed, 30 Aug 2023 00:00:00 GMTnewshttps://megccng.com/news/cng-cylinder-inspection-and-maintenance-ensuring-longevity-and-safety/https://megccng.com/news/cng-cylinder-inspection-and-maintenance-ensuring-longevity-and-safety/What CNG cylinder inspection involves, including visual checks, valve condition, leak testing, and professional re-qualification for longer service life.Tue, 29 Aug 2023 00:00:00 GMTnewshttps://megccng.com/news/comparing-cng-and-lng-storage-pros-and-cons-for-different-applications/https://megccng.com/news/comparing-cng-and-lng-storage-pros-and-cons-for-different-applications/How CNG and LNG compare for storage and transport — energy density, range, infrastructure complexity, and which is the right choice for your specific use case.Mon, 28 Aug 2023 00:00:00 GMTnewshttps://megccng.com/news/type-4-cng-storage-cylinders-in-the-automotive-industry/https://megccng.com/news/type-4-cng-storage-cylinders-in-the-automotive-industry/Why Type-4 composite CNG cylinders fit automotive applications, with weight savings, fuel efficiency, corrosion resistance, and chassis integration.Fri, 25 Aug 2023 00:00:00 GMTnewshttps://megccng.com/energy/cng-and-hydrogen-containers-solutions/https://megccng.com/energy/cng-and-hydrogen-containers-solutions/Why Gaznet specifies UMOE Advanced Composite Type-IV cylinders for CNG, biogas, and hydrogen containers, including certification and lifecycle cost.Sat, 14 May 2022 00:00:00 GMTenergyhttps://megccng.com/energy/types-of-cng-storage-cylinders/https://megccng.com/energy/types-of-cng-storage-cylinders/The five cylinder types used for CNG and hydrogen, from Type 1 steel to Type 5 all-composite, with weight, cost, and application fit.Tue, 14 Aug 2018 00:00:00 GMTenergyhttps://megccng.com/energy/what-is-cng/https://megccng.com/energy/what-is-cng/Compressed Natural Gas explained: what CNG is, why it matters for transport and industry, how it is stored, and how it compares to petrol and diesel.Sun, 22 Apr 2018 00:00:00 GMTenergy