Obama administration authority to tighten pollution standards limited . EPA can not extend its complete authority on new or expanded power plants . Industry had objected , saying new rules were a slippery slope . Comment:
Obama administration authority to tighten pollution standards limited . EPA can not extend its complete authority on new or expanded power plants . Industry had objected , saying new rules were a slippery slope . But EPA does not see ruling as a negative , says it reaffirms its policies mostly .