Absent revenues from sales to oil field operators, applying CCS to new coal plants using current technology would be the least-cost path only if the cost of emitting CO2 were at least $25 to $30 per metric ton.

• 如果没有贩售二氧化碳给油田的利润，对采用现有技术的新设燃煤电厂而言，唯有当排放二氧化碳的成本为每公吨至少25~30美元时，采行CCS才会是最低成本的一步。