Is CO2 Emission directly related to Fossil Fuel Consumption?

Data source: CIA Factbook

Highest power consumers, by and large, produce the most CO2 Emissions per capita

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For example, Qatar produces the largest CO2 emissions per capita, and is the 3rd largest per-capita power consumer.

Similarly, Kuwait is #4 by per-capita CO2 emission, and #1 in power consumption.

This general trend changes in very few cases as can be seen from the chart above.