On Wed, 20 Oct 1999, jimm wrote:
>
> It uses natural gas (methane) like a cookstove or a home heating system only
> compressed so lots will fit in a small tank. Many emergency power plants use
> natural gas because it does not have to be stored. However engines using
> natural gas produce 20% less horsepower than the same engine does on gasoline!
>
Im not sure about that 20% figure.. That may be under normal
compression ratios, but one of the biggest advantages is that it takes a
lot more pressure before CNG will combust, therefore you can have MUCH
higher compression ratios which ='s more power...
-Jeff
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