According to a Congressional report released today, companies hired to perform hydraulic fracturing ("fracking") used 32.2 million gallons of diesel alone or in a mixture from 2005 to 2009. Most was injected in Texas, followed by Oklahoma, North Dakota, Louisiana and Wyoming. The year-long investigation, which was led by Rep. Henry Waxman, D-Calif., and other two other Democrats on the House Energy and Commerce Committee, found no evidence that the use of diesel fuel contaminated water supplies. The report did, however, state that the companies appeared to violate the Safe Drinking Water Act because permission was not obtained from state or federal authorities to use the diesel fuel.
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