The share of coal of total energy supply increased between 1973 and 2018, while the share of oil shrunk by nearly 15 percentage points, as the share of energy supply from China surged at the expense of supply in developed economies, the International Energy Agency (IEA) said in its new report Key World Energy Statistics 2020 on Thursday. Back in 1973, when total global energy supply was more than half the current supply, coal held a share of 24.5 percent of global energy supply, while oil accounted for the largest share at 46.2 percent, according…
