For transporting large quantities of crude oil on land, over long distances the most economical mode is

Solution (By Examveda Team)

For transporting large quantities of crude oil on land, over long distances the most economic model is by pipelines. Pipelines are generally the most economical way to transport large quantities of oil, refined oil products or natural gas over land. For example, in 2014, pipeline transport of crude oil cost about $5 per barrel, while rail transport cost about $10 to $15 per barrel.