Interested in why oil prices fluctuate and the related impact? As a prominent chemical distributor and a manufacturer of inhibited propylene glycol and inhibited ethylene glycol, Houghton Chemical is well versed in the petroleum and natural gas industry. This interesting article describes the connection between oil price, oil supply and oil demand.
http://www.houghton.com/docs/articles/Markets%20Reeling%20From%20Oil%20Slump.pdf