The White House document concludes that the cost of mitigating the effects of climate change could rise by as much as 40%.
EPA Mining News
The company now has 15 days to appeal with the High Court.
Trans Tasman Resource project will vacuum iron-rich seafloor sands, to later extract the desired titano-magnetite for export to Asian steel mills.
The controversial regulation, which some lawmakers already are trying to block, is one of the most sweeping efforts to tackle global warming by this or any other administration.
Silver days as one of the best allies of modern medicine may have its days counted.
Regulation has been on the table but untouched since 2010.
Critics say Agency is trying to mask costs of implementation.