Cumulative CO2 emissions from oil - Cumulative emissions of carbon dioxide (CO2) from oil since the first year of available data, measured in million tonnes.

Cumulative CO2 emissions from oil - Cumulative emissions of carbon dioxide (CO2) from oil since the first year of available data, measured in million tonnes.石油累计二氧化碳（CO2）排放量：指自首个可获取数据年份起，石油来源的二氧化碳累计排放量，以百万吨为计量单位。