Sustainable Energy
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You won’t believe what’s fueling these cars:

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The car has come a long way since Henry Ford's Model T.

Today's vehicles are fast, stylish and increasingly fueled in environmentally friendly ways.

In this slideshow, CNBC's "Sustainable Energy" takes a look at some of the innovative ways that modern autos are fueled.

By Anmar Frangoul, special to, on Friday August 7, 2015.

TU Eindhoven | Bart van Overbeeke