Figure 6. Chart showing prices of Brent Oil, China Qinhuangdao Spot Coal price, and Asian Marker Coal, all in US$ of the day. Amounts from BP 2019 Statistical Review of World Energy. Note that the units of coal (ton) are much larger than the units of oil (barrel) used on this chart. Thus, the same number of dollars of buys a much larger quantity of coal than of oil; coal is cheaper.
Seven Reasons Why We Should Not Depend on Imported Goods from China