3 Articles

There are many stumbling blocks when it comes to the successful use of hydrogen as an energy carrier for automobiles. Among those stumbling blocks is figuring out how to extract hydrogen in an environmentally friendly and cost effective manner, how to transport that hydrogen and subsequently refill a car with it, and where to put it once you've successfully managed to get around the first two. General Motors is working on the issues, as Sam recently reported. Universities all over the world are

I don't know nearly enough about the mining of precious metals such as platinum to estimate how much it costs to get a reasonable amount from the earth. But, I do know that the metal is expensive to buy, so it must at least be reasonably difficult, right? So, perhaps we should be looking at recovering the precious metals, again like platinum, that we have already unearthed. That is what researchers from Cardiff University are suggesting.