Please request Repected Professor Kenneth Towe for help. His ResearchGate link is as follows:

https://www.researchgate.net/profile/Kenneth_Towe

Please have a look at this useful link also.

https://www.epa.gov/ghgemissions/global-greenhouse-gas-emissions-data

Interesting discussion

You can find emission datasets from the links provided in these sites:

1) http://www.globemission.eu/links.php

2) http://eccad.aeris-data.fr/#DatasetPlace:

Hope this helps! Good luck!