| Oil and gas corporate tax             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Iraq             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Transport Ministerial Regulation No. 201/13             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Indonesia             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | PROBIOMASA: Project for the Promotion of Energy from Biomass             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Argentina             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Building Control Act (Chapter 29)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Singapore             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Nationwide Integrated Disaster Risk Management and Climate Change Policy             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Micronesia, Federated States of             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Trans-European Transport Network             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        European Union             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | National Renewable Energy Action Plan (NREAP)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Croatia             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Amendment 12B to the Energy efficiency Regulations             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Canada             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | CO2 Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Switzerland             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Greenhouse Gas Emission Reduction             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Russian Federation             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | CO2 emissions reduction ordinance             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Liechtenstein             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Strategy and MRV on emissions from maritime transport             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        European Union             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Alternative Renewable Energy Policy (AREP)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Bhutan             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Law on industrial emissions 278/2013             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Romania             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Strategic Plan of the Ministry of Food, Agriculture and Livestock             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Turkey             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Energy Reform Package             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Mexico             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Law on the Reduction of CO2 Emissions             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Liechtenstein             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Energy Supply Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Denmark             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Sectoral Transport and Urban Mobility Plan             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Brazil             | 
                                                                                                        2013             | 
                  
              
                                                                                                        | Energy Strategy to 2030, approved by Decree Reference No. 1071-p             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Ukraine             | 
                                                                                                        2013             |