There virtually hundreds of sites and blogs related to the Opel.  Here’s a few top places to look for historical info, photos, and reports.

• High Mileage Car: 376 MPG! – YouTube News Story

• Shell Opel Website – The Shell Oil 1973 Test Car 376 miles per Gallon: Documents, historical coverage, photos, videos and related links.

• Retrorides.Proboards.com: Community General Board: 1959 OPEL P1 376MPG!! – Great site with many contributions and excellent documentation, photos and technical notes posted.

• Hemmings: Big Oil conspiracy! 376 MPG Opel Uncovered!

• LeMay Family Collection Foundation Press Release: Lucky Auction Debut of the Opel