If 'Although all four categories of emissions are down substantially, they only achieve 50-75% of the proposed cap by 2007 (shown as the dotted horizontal line in each of the above figures).' is true, does it logically mean that 'There has been a substantial decrease in each of the emission categories.' also is?
Although all four categories of emissions are down substantially, they only achieve 50-75% of the proposed cap by 2007 (shown as the dotted horizontal line in each of the above figures).###There has been a substantial decrease in each of the emission categories.