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 Original source Diário da República, I Série, No. 143, 26 July 2006, pp. 5252-5254. Subject Energy Keyword Energy conservation/energy production Natural gas Inspection Geographical area Europe, Europe and Central Asia, European Union Countries, North Atlantic, North-East Atlantic, 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