There are different stress factors related to the different methods of transportation. Exposure to seawater, Exposure to road salt, lateral stresses involved with transportation on a chassis. Verticle lifting involved with loading and unloading onto and off of various modalities. No company in the world is going to purchase a product like this without real world environmental data. This company also uses road trailers. This could be another benefit as far as providing a different criteria for data comparison If you look at the investor tab on their website you can find yearly data for teu movement and revenue. http://www.oceanex.com/en/about.html They are a small company when compared to the really big players. Don't they have to start somewere?