Petroleum Research Bureau

Sources

• Hall-Hoag Collection of Dissenting and Extremist Printed Propaganda
• Wikipedia: http://en.wikipedia.org/wiki/Energy_policy_of_the_United_States
• Web: http://en.wikipedia.org/wiki/Synthetic_fuels_in_the_United_States
• DbPedia: http://dbpedia.org/page/Energy_policy_of_the_United_States