Does IE try to convert the EPS file to a PS file? Try this... Encapsulated PostScript file extension changes when downloaded

This page contains all of the logo artwork available for Sanctioning Bodies, its subsidiaries, sponsors, events and/or sanctioning bodies. These logos may only be used with the permission of Speedway Motorsports, Inc or the associated sanctioning body.

JPG: This is a low resolution 72 dpi image in JPG format. These images are 600 pixels wide and are suitable for web and business presentations.
To download, Right-Click the JPG link and choose "Save Target As"

EPS: These EPS files are provided for the graphics professional who intends to reproduce the logos for high quality or large format print production.
To download, Right-Click the EPS link and choose "Save Target As"