| dansk | dan-000 |
| biogas | |
| български | bul-000 | биогаз |
| čeština | ces-000 | bioplyn |
| Deutsch | deu-000 | Biogas |
| eesti | ekk-000 | biogaas |
| ελληνικά | ell-000 | βιοαέριο |
| English | eng-000 | biogas |
| euskara | eus-000 | biogas |
| suomi | fin-000 | biokaasu |
| français | fra-000 | biogaz |
| hrvatski | hrv-000 | bioplin |
| magyar | hun-000 | biogáz |
| italiano | ita-000 | biogas |
| 日本語 | jpn-000 | バイオガス |
| lietuvių | lit-000 | biodujos |
| latviešu | lvs-000 | biogāze |
| Nederlands | nld-000 | biogas |
| polski | pol-000 | biogaz |
| português | por-000 | biogás |
| română | ron-000 | biogaz |
| slovenčina | slk-000 | bioplyn |
| slovenščina | slv-000 | bioplin |
| español | spa-000 | biogás |
| српски | srp-000 | биогас |
| svenska | swe-000 | biogas |