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Originally Posted by wildsage  You really don't look at your own sources, do you? Your "this site" link (again, by amateur fossil-hunter Monte Heib) has as a reference for its "findings" the Ecoenquirer which on its website posts this disclaimer:
"All content on this site, being a mixture of parody, satire, and lame humor, is for entertainment purposes only. If any content is found to be offensive or objectionable in any way, please accept our apologies... but we also suggest that you get a life." |
Okay, ignore it.
Makes it about 4% instead of less than one percent. If all cars in the US just plain stopped, not went from 25 to 30 mpg. Big whoop if that's what happens, don't you think.
(see, I can concede when I'm wrong. But, I have to be wrong to do it, like I was here)
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BTW, It is not valid to state that a certain gas causes a certain percentage of the greenhouse effect because the influences of the various gases are not additive.
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The claim I was defending was that if all cars in the US were shut off and never started again, if we all just walked everywhere and never started another car in the US, that the amount of greenhouse gas production would be reduced by less than 1%. Clearly, I was wrong. It's about 4%.