Think you know energy? Take our quiz.

The past few years have seen momentous shifts in the production of fossil fuels and the use of renewable and other energy sources. Here are 25 questions to test your knowledge of what's happening in the energy world.

3. Which power source grew so much in 2011 that for the first time it generated more than half of the world's renewable power?

Ed Andrieski/AP/File
In this December 2012 photo, the sun sets behind an oil pump jack and the Rocky Mountains near Fredrick, Colo.

Geothermal

Solar

Wind

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