R&D for City Gas Use
2007 Environment Friendly City Gas
City Gas in Japan
Raw Materials of City Gas
Environmentally Friendly City Gas
Production and Distribution
Safety Measures .
Residential Use
Industrial and Commercial Use
Gas Cooling and Heating
Gas Cogeneration System
Natural Gas Vehicles
R&D for City Gas Use
International Relations
Efforts for Environmental Protectection
Relationship with the Local Community
 

We are committed to R&D on technologies for using city gas through various projects targeting environmental protection, customer safety, user-friendliness, and rational and comprehensive use of energy.
ˇˇWe are also developing residential fuel cell cogeneration systems and renewable energy technologies such as solar power to help create a low-carbon society.
ˇˇMeanwhile, we are actively studying alternative natural gas production technologies to reinforce the natural gas supply system.
 
ˇˇDeveloping technology for low-carbon society
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Developing technology for low-carbon society
 
ˇˇ Developing technology to strengthen natural gas supply base
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Developing technology to strengthen natural gas sup
 
Gas burner with improved safety and energy economy  
Low NOx
emission burner
  Hydrogen station
    Hydrogen station
High-efficiency cogeneration systems with natural gas engines   LNG vehicle
High-efficiency cogeneration systems with natural gas engines   LNG vehicle
Gas burner with improved safety and energy economy
Stationary fuel cell cogeneration system
Residential fuel cell system (ENE-FARM)
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Today, the raw material for city gas is produced from non-conventional
gas fields, such as from coal bed methane and shale gas. These new
sources will contribute to the stable supply of city gas.
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1. Coal bed methane (CBM)
Mass of methane stored near coal beds, of which vast amounts remain unexploited worldwide; CBM is in commercial production in the U.S., Canada, and Australia.
2. Shale gas
A type of natural gas stored in shale. Production volume is increasing due to technical innovation in the last decade, and commercialization is rising rapidly in some countries such as the US. Vast reserves are thought to exist.
3. Alternative natural gas produced from coal
A type of natural gas stored in shale. Production volume is increasing due to technical innovation in the last decade, and commercialization is rising rapidly in some countries such as the US. Vast reserves are thought to exist.
4. Methane hydrides
Methane hydrides are icy materials in which methane molecules are incorporated into water molecules, and methane is produced when they disintegrate. As considerable amounts of methane hydrides are estimated to be stored in the sea bed around Japan, they could be a new domestic energy resource.