Consumers should be paying a whopping $5 trillion more a year for energy to cover the hidden health and environmental costs of using fossil fuels, the International Monetary Fund said Monday. Vitor Gaspar, head of the IMF’s fiscal affairs department, which produced the report, called the estimates shocking and “one of the largest negative externalities ever estimated,” referring to costs that aren’t factored into prices. The fund said policy makers must start capturing those costs—valued at roughly 6% of global gross domestic product—in fuel prices now to curb the damaging effects, encourage greater energy efficiency and prevent a mounting toll on human health. The report said the costs—largely fueled by the ballooning use of coal in China […]