Home/American Shipper/UP to use aerodynamic pod on intermodal trains American ShipperIntermodal UP to use aerodynamic pod on intermodal trains FreightWaves Staff · Wednesday, September 04, 2013 Facebook Twitter/X LinkedInTaking a page from the motor carrier industry’s use of cab deflectors to smooth air flow over trailers, the railroad introduced technology designed to make double-stack intermodal trains more aerodynamic and reduce fuel use.