Decree-Law No. 136/2006 regulating the progressive introduction of GPL in motor vehicles. Country/Territory Portugal Document type Legislation Date 2006 Source FAO, FAOLEX Subject Energy Keyword Energy conservation/energy production Natural gas Inspection Geographical area Europe, European Union Countries, Southern Europe Entry into force notes This Decree-Law enters into force 90 days after its publication. Abstract This Decree-Law is composed of 15 articles. It rules on the progressive introduction of GPL in motor vehicles thus adapting to the homologation of the vehicles and creating a legal regime for the recognition of inspection institutes in the field of car adaptation to GPL. Full text Portuguese