I can't think of many places that have off road fuel around lafayette. try asking these guys. they should be pretty well accustomed to diesel fuel suppliers around the area and they are great to work with. gave me a bunch of SCA test strips for free.
Wiers International
www.wiers.com
Address: 510 S. 500 East, 47905
Phone: (765) 448-9950
Fax: 765-447-8824
Toll Free:
Sales Dept. Hours: Monday - Friday 8:00 a.m. - 5:00 p.m.
Or by appointment
Parts Dept. Hours: Monday - Friday 7:30 a.m. - 6:00 p.m.
Saturday 7:30 a.m. - Noon
Service Dept. Hours: Monday - Friday 7:30 a.m. - 6:00 p.m.
Saturday 7:30 a.m. - 3:30 p.m.
Services Offered: All Make Parts and Service, Full service truck dealer specializing in: Road Service, Trailer Service, Refrigeration service, Mobile service, International diesel, Cummins diesel, CAT diesel, Detroit diesel, Alignment service, Electronic Engine Diagnostics, COPP
Directions: I-65 at State Rd. 26 exit, 1/4 mile east and 1/4 mile south