Energy moves the world and the markets. Agreements and disagreements among oil-producing countries affect the value of the dollar on international markets, government decisions to reduce greenhouse gas emissions create new opportunities, and companies focused on green energy attract tens of thousands of dollars to the stock markets. But what are we talking about when we talk about energy? This chart from Visual Capitalist on what's what in the US energy market, the largest per capita energy consumer in the world, helps us understand this complex sector. One detail highlighted in the chart: in the process of converting sources into the energy we consume, we lose 65% of it. In other words, we only use 35% of its energy content.