[QUOTE="jim"] no, it's not impossible, but neither is actively reducing the mercury content of the oceans or mining manganese from the moon. it's just wildly dangerous and spectacularly uneconomic. sounds great politically though, that /that's/ what the whole hydrogen car hoopla is all about. and the extraction of "research funds" of course.[/QUOTE] Maybe so. Out of curiosity, what would be your suggestion for an alternative power source for consumer vehicles?