Why would turning off the propane increase mileage?

Charles
'85 Westy

At 03:09 PM 9/13/2006, Alistair Bell wrote:
>I agree, that's why i turnoff valve on fuel line from tank to engine
>when i drive, i don't want gasoline spilled from ruptured line if
>Spiny Norman T-bones me.
>
>Added bonus is increased mileage.
>
>:)
>
>Alistair
>
>
>'82 westy, diesel converted to gas in '94
>http://www.members.shaw.ca/albell/
>
>On 13-Sep-06, at 3:03 PM, The Bus Depot wrote:
>
>>If keeping the fridge running on propane while driving is a
>>problem, here's a nice little windshield for the vent.
>
>
>I have wondered about the safety of having propane flowing through the
>vehicle while driving, in the event of a serious collision. At least
>if the
>valve is shut off, the propane is well protected inside a thick tank.
>However if the valve is open, someone hits you on the side or the van
>rolls,
>and the propane line ruptures, you have a serious propane leak and the
>potential for spark. Of course it's admittedly not a likely scenario...
>
>- Ron Salmon
>   The Bus Depot, Inc.
>   www.busdepot.com
>   (215)  234-VWVW
>
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