Smog is a serious public health issue, although less a green hou

來源: cys254 於 2009-03-30 09:35:38 [] [舊帖] [給我悄悄話] 閱讀數 : (234 bytes)

And I would not call 15% lower as very low, if you compare gas and diesel version of VW Jetta. Diesel has 15% more carbon per gallon compared to Gasoline, so it is MPG has to be discounted for 15% when green house effect is concerned.

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