US frackers continue [ injecting diesel fuel ]( http://www.commondreams.org/news/2014/08/14/fracking-operators-illegally-injecting-diesel-fuel-study-finds ) even though it is illegal.
Ссылка: https://stallman.org/archives/2014-may-aug.html#16_August_2014_%28US_frackers_injecting_diesel%29