Natural gas

Natural gas (commonly refered to as gas in many countries, but note that this is also American and Canadian slang for gasoline) is a gaseous fossil fuel consisting primarily of methane. It is found in oil fields and natural gas fields, as well as—in smaller quantities—in coal beds.

External links

Natural gas vehicles

• International Natural Gas Vehicle Statistics
• Alternative Fuel Vehicle Training From the National Alternative Fuels Training Consortium.
• IANGV - International Association for Natural Gas Vehicles

North America

• What is Compressed Natural Gas?
• Could CNG work in America?
• Natural Gas Supply Association
• Institute of Gas Technology

South Asia

• India: How New Delhi used CNG to ease pollution

Pollution and allergy

• Pollutant chemical pollutant chemical that can worsen both classical allergy and chemical sensitivity.