According to the “Future of the Last Mile Ecosystem” report by the World EconomicForum, “last mile” delivery by 2030 can grow by 78%, and as a result of this growth, the number of vehicles to make deliveries may increase by 36%.
Due to the increase in the number of vehicles, carbon emissions caused by their vehicles can increase by 6 million tons to 25 million.
You can reach the report at http://www3.weforum.org/docs/WEF_Future_of_the_last_mile_ecosystem.pdf.
