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CNG, mainly composed of methane (CH4), has the lowest carbon content of all fossil fuels. It can be used without the
need for a mechanical engine change. It is spreading rapidly around the world, given its advantages in terms of low
emissions of hazardous gases and the large amounts of supply in natural gas layers independent of petroleum sources.
A CNG retrofit can be implemented with EROOM G&G¡¯s consolidated FBM or MPI (Multi Point Injection) technologies because the fuel systems are basically the same as LPG fuel systems, except that the storage pressure of the container differs.
EROOM G&G is developing CNG vehicle parts and occupies a growing position in the field of alternative fuel, having
completed the verification phase through retrofit demonstrations in Korea and Thailand.
Hydrogen(H2) is a clean fuel that produces only distilled water during combustion in engines because it contains no carbon. EROOM G&G is trying to secure hydrogen vehicle technology with its continuous research and development effort, because it can significantly help deal with climate change problems by reducing greenhouse gas emission.
The use of hydrogen remains delayed due to technical issues and a lack of infrastructure, although, due to its superior
cleanness and its infinite possibilities, its role as an alternative energy source is not being overlooked. EROOM G&G is conducting continuous basic research and part development to apply hydrogen to vehicles.
1. Performance and emissions characteristics of a hydrogen enriched LPG internal combustion engine at 1400rpm,
    International Journal of Hydrogen energy. (SCI-registered)
2. Performance and exhaust emissions test results from a liquid propane injected engine with hydrogen enrichment, --     Journal of Automobile Engineering (The Institution of Mechanical Engineers Part D). (SCI-registered)
3. Effect of Hydrogen Enriched LPG Fuelled Engine with Converted form a Diesel Engine, Journal of Energy
    Engineering.