| http://www.w3.org/ns/prov#value | - The Revenue Act of 1913 allowed oil companies to write off 5 percent of the costs from oil and gas wells beginning March 1 of that year. (For reference, see pages 172-174 of the Act.) A century later, oil companies can now deduct three times this rate, at 15 percent, although the very largest companies no longer qualify.In other words, the oil companies get the same sort of tax breaks that every
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