Crude oil, a fossil fuel, is the most widely used energy source in the world, accounting for 31 percent of total primary energy demand in 2012. Crude oil’s global role is primarily due to its importance in the transportation sector: transportation accounts for almost two-thirds of global petroleum consumption. As a result, oil and the economy are intimately linked.

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Sarah Ladislaw

Sarah Ladislaw

Former Senior Associate (Non-resident), Energy Security and Climate Change Program

Michelle Melton and Annie Hudson