The fossil energy markets are in a rapid change due to rising use of non-conventional resources of crude oil and natural gas especially in the US. In Europe the Polish production is expected to start in the next few years, although environmental concerns delay the beginning. This new production...

Unconventional resources of crude oil and natural gas – shale energy – increased significantly in the US in the early 2000s, triggered by the strong rise in the price of crude oil and technical advances in production. The US is a clear forerunner in the production of shale energy,...