Originally posted by: DrPizza
Simple logic:
Car manufacturers pay millions of dollars in salaries to engineers - guys with degrees including master's and PhD's - to squeeze out every last mpg that they can. You'd be an idiot to believe that some high school drop-out garage tinkerer is going to double his gas mileage with $100 worth of off the shelf components. You'd be an even bigger idiot to think that car manufacturers are not adopting this "technology" simply because they're in collusion with the gas companies to make people buy lots of gas.
Well, sort of. When a hybrid can sell because it gets an "astonishing" 40mpg, where's the incentive for them to put high-mileage stuff on the shelf right away? My 11 year-old Elantra gets 35mpg on the highway. Some new hybrids get less than that. Why? More horsepower is one reason - increase engine and drive train efficiency, but then increase horsepower to appeal to excessive testosterone levels. "OOG me have strong car, me big man! Oooog!!!"
They'll keep selling low-mileage cars as long as people are willing to pay for them. The good technology will still be researched, but it will only be put out when necessary, so as to keep the company competitive.
But running cars on water is fiction. The only way to get hydrogen out of water is by putting energy into it. So here's how the radio show's engine works:
Engine burns gasoline to power the alternator.
Alternator generates electricity, powering electrolysis.
Electrolysis produces hydrogen, which is then burned.
Burning produces heat and pressure, which powers the engine, which powers the wheels.
vs
Engine burns gasoline.
Engine powers the wheels.
Every one of those steps reduces efficiency of the overall system. Adding electrolysis to the whole mess just sucks away energy from the engine, adds more efficiency losses,
and adds complexity to the car, without any benefit.
Here, I'll sell you the same thing, but for your computer:
It's a 12V battery, powered by the 12V rail from your PSU. It powers an inverter, which is linked to the line going into your PSU.
This will reduce your power consumption, since the computer is now running partly off of the inverter's output, and it's drawing less from the wall outlet.
Sounds stupid, doesn't it.