Conditional NDC actions To reduce the sectorâs GHG emissions, two NDC implementation action plans have been developed on: (1) Reducing emissions in the road transport sector, and (2) Promoting sustainable road usage. Conditional NDC actions a. Reducing the emissions of the passenger vehicle fleet by 8% by 2030, and 24% by 2040 b. Scrapping 60% of vehicles older than 20 years by 2030 and scrapping all vehicles older than c. Conducting statutory tests on 30% of on-road vehicles by 2030, and 60% by 2040 d. 20% of all small transit vehicles are replaced with larger capacity buses by 2030, and 40% e. The overall number of vehicles is reduced by 20% by 2030 and 40% by 2040.