This document provides a summary of a presentation by PLG Consulting about the impacts of shale development on freight transportation. It discusses how hydraulic fracturing and horizontal drilling have driven growth in natural gas and crude oil production in the US. Specifically, it addresses how shale development is affecting logistics and transportation needs for inputs like proppants, water, and chemicals to oil and gas wells. It also examines downstream impacts on industries that use natural gas, natural gas liquids, and crude oil as feedstocks. In conclusion, it considers factors that could impact future natural gas demand and prices and the potential for liquefied natural gas exports.