Being separated by a river they cannot get in touch with one another no matter how hard they try

Can you repeat this sentence, but add in punctuation?
Being separated by a river, they cannot get in touch with one another, no matter how hard they try.
The ODPweighted consumption in 1999 has been calculated to be approx 853 ODPtons which is a slight reduction of 162 ODPtons compared to 1998

Can you repeat this sentence, but add in punctuation?
The ODP-weighted consumption in 1999 has been calculated to be approx. 85,3 ODP-tons which is a slight reduction of 16,2 ODP-tons compared to 1998.
In short by grabbing the central governments attention pilot regions can garner economic opportunities which is perhaps the main reason so many regional or local governments no matter how unprepared they were hoped to gain the central governments nomination for hosting carbon markets

Can you repeat this sentence, but add in punctuation?
In short, by grabbing the central government's attention, pilot regions can garner economic opportunities, which is perhaps the main reason so many regional or local governments, no matter how unprepared they were, hoped to gain the central government's nomination for hosting carbon markets.