Our under-utilized energy solution

NASA sends our rockets and spaceships into space on the fuel of hydrogen. We are running out of gas on Earth. Why are are cars not burning hydrogen?

We are still burning fossil fuels, which creates pollution. Did you know that when hydrogen is burned, it creates no pollution.

And all the hydrogen we need comes from water. Water is H2O.

This story was originally published April 26, 2017 at 7:34 AM with the headline "Our under-utilized energy solution."