| WP.29/2017/134 | Proposal for a new UN Rule [No. 3] on Periodical Technical Inspections of motor vehicles using natural gas in their propulsion system | |
| WP.29/2017/135 | Proposal for a draft UN Rule No. [4] on safety requirements for hybrid and electric vehicles | |
| WP.29-173-06 | PTI: Report to WP.29 about results of the 8th meeting of Informal Group on Periodical Technical Inspections | |
| WP.29-173-06 | PTI: Report to WP.29 about results of the 8th meeting of Informal Group on Periodical Technical Inspections | |
| WP.29/2017/135 | Proposal for a draft UN Rule No. [4] on safety requirements for hybrid and electric vehicles | |
| WP.29-173-06 | PTI: Report to WP.29 about results of the 8th meeting of Informal Group on Periodical Technical Inspections | |
| WP.29/2017/134 | Proposal for a new UN Rule [No. 3] on Periodical Technical Inspections of motor vehicles using natural gas in their propulsion system |