FreightWaves Flashback: US may set aside 30% of oil for US ships 1974: Bills of this type have had rough sledding in years past, but the Arab oil squeeze and its implications in the nation’s total economic and transportation picture eased the way for possible passage this year. 0 17 7 minutes read Image: Jim Allen (FreightWaves) FreightWaves Classics articles look at various aspects of the transportation industry’s history. If there are topics that you think would be of interest, please send them to fwclassics@freightwaves.com. The many industries that make up the world of freight have undergone tremendous change over the past several decades. Each week, FreightWaves explores the archives of American Shipper’s nearly 70-year-old collection of shipping and maritime publications to showcase interesting freight stories of long ago.