“Its only byproduct is rebirth.”

Riding hydrogen instead of clouds.” He let the image settle between them. “The car runs on water—and breathes out only what it takes in. Its only byproduct is rebirth. The water of life, turned to motion, turned back again, looping into itself... A perfect loop.” A self-satisfied smirk tugged at his lips, “the device splits the hydrogen atoms from the oxygen atom. It channels the hydrogen into the car’s engine through one hose and releases the oxygen needed for combustion through another.