is necessary to highlight that it doesn't seem like the oil companies have done much to help mitigate the risks for the environment they create. That's the thi

is necessary to highlight that it doesn't seem like the oil companies have done much to help mitigate the risks for the environment they create. That's the thing though; there are counter examples where these things did work. I know what you mean r.e. more work on spill containment, but the problem is that it doesn't happen (on such a scale) all that often, so there is nothing to drive legislators to force companies into developing such tech.