Posted AT 1:18 PM EST on 29/08/08
So many ads, so many questions
My 16-year-old nephew Alex was perplexed by the TV ad General Motors ran during the Olympics.
“So, why is it better to grow my fuel, not drill for it, he asked. “Doesn't that mean less food for people?”
Well yes, Alex, it does, and it's now clear that bio-fuels aren't great for the environment either.
“And where will the hydrogen come from to those fuel cell cars?”
Good question, Alex.
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