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Old 03-21-2008, 02:37 PM   #17 (permalink)
roflwaffle
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Since you'll be running it to charge the batteries, the only difference between a gas and diesel genset is that the diesel will likely cost more, be heavier, and pollute more. A gas engine on LNG/LPG would probably be the cleanest option given the on/off nature of the generator, but the Lambda must be around 1.6-8 for optimal emissions based on what I've read. Gasoline engines would likely be a pain emissions wise since the cat would have to be lit off every time, which would really increase emissions.
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