Browsing All Posts published on »July 20th, 2009«

Planes, trains, or automobiles? Green transportation choices are not clear cut

July 20, 2009

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When studies look at the amount of greenhouse gases emitted by transportation, the focus is nearly always on the emissions created in fuel combustion – gasoline and diesel for cars and trucks, bunker fuels for maritime vessels, jet fuel for aircraft, and so on. One excellent example of this kind of study is the Getting […]