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Toyota says it has reduced the cost of fuel cells significantly enough to sell hydrogen cars for under $100,000.
The material could replace platinum in hydrogen vehicles.
A new catalyst could make ethanol fuel cells practical for portable gadgets.
New material could cut the use of expensive platinum by 80 percent.
Carbon nanotubes could replace expensive platinum catalysts and help finally make fuel cells economical.
Using nickel as a catalyst rather than platinum could also mean less-expensive fuels cells.