36K views · 350 reactions | As we get closer and closer to the day we run out of oil, renewable energy needs to keep vastly increasing its capacity. But will it be sustainable once we reach that point? | Interesting Engineering | Facebook

Renewable energy is growing faster than ever, and, by 2050, the U.S. is expected to have twice as much on its grid. Learn how these zero-carbon energy sources work, their history and future: | Duke Energy