Re: 7 New Toyota Concept Cars
Fuel Cell Hybrids are vehicles that use both battery electrical storage and fuel cells to supply power to the electric motors. If you just have fuel cells they have to be very large capacity so that peak power requirements can be met directly, adding a battery gives them the ability to downsize the cell stack to nominal power requirements instead of peak requirements, thus greatly reducing the cost since fuel cells are ridiculously expensive.
The reformer thing is a device that converts a hydrogen rich liquid (or gas) fuel into hydrogen gas on demand so that various liquid fuels (such as gasoline) can be used to power a hydrogen fuel cell vehicle. Usually they consume a fair amount of energy and emit carbon dioxide and other gasses, but Toyota seems to be claiming they are using a system of fuel + reformer that's 'clean'.
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