I thought the concept of using a radioactive element to fuel the world was years away, at first. Now, however, it seems as though researchers are working on harnessing Thorium to power aeroplanes, rockets, hotels, restaurants, and hopefully someday cars as well. I felt as though I had to share:
http://www.spiritscienceandmetaphysics.com/this-car-runs-for-100-years-without-refuelling-the-thorium-car/
Only 8 grams of the substance are necessary to power one car for one hundred years, and there exist millions and millions of kilograms available.
http://thoriumforum.com/reserve-estimates-thorium-around-world