IANGV
International Association for Natural Gas Vehicles

Business & Environment
Brings together companies, authorities and researchers to promote business driven environmental development.

Miljöfordon.se
This website presents all available clean vehicles sold in Sweden.

Fordonsgas.se
Gas filling stations in Sweden, this website contains lists and maps showing all gas filling station in Sweden.

BiogasMax
A EU-financed project, which involves six cities in Europe with Göteborg as one of them.