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Math and physics, people. 1kW/m^2 of sunlight at earth's surface, average van is roughly 2x3.5m, so 7kW of power at best conditions (sun right overhead, no clouds). Average power needed to move a van down the road is roughly 20hp or 14kW.
 

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My van needs about 50 HP to maintain highway speeds, but who’s counting. :)

The key is .1% initial yield. Don’t know what they are up to now, but amount of hydrogen gas mentioned seems insignificant to power a car. Obviously with enough panels and storage, a car can be fueled to drive down the road, but would it be any more efficient than charging a Tesla with solar? I doubt it. They have a ways to go.
 

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This is old technology of electrolysis of using direct current to separate hydrogen and oxygen from water (H20). About 30 years ago a person used this to power a car but later died before he could put it into production. There were items for sale that you could put under your hood to produce hydrogen and oxygen to be sucked into the engine for more mpg. You used 12v DC from your battery running to a glass jar full of water with two probes to separate the water into gases and a hose going into your intake.

MLogan
2017 MH
Smyrna, TN
 
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