| WP.29/2011/147 | Report summarizing the findings and recommendations in the different areas addressed by the informal group on Hydrogen Fuel Cell Vehicles – Sub Group Environment | |
| WP.29/2013/41 | Proposal for a global technical regulation on hydrogen and fuel cell vehicles | |
| WP.29/2013/41 | Proposal for a global technical regulation on hydrogen and fuel cell vehicles | |
| WP.29/2013/42 | Report on the development of a global technical regulation on hydrogen and fuel cell vehicles |