> As I understand with autos, the issue is a spark coming from 
> a human when touching the nozzle (valve) or the vehicle near 
> the fill point after doing something to get charged different 
> than the vehicle. One should always touch the vehicle away 
> from the fumes coming out of the fill point. To be proper 
> environmental, there should be a boot covering the fill 
> opening to capture the fumes displaced by liquid fuel, which 
> are then returned via a usually coaxial hose to the supply 
> tank which needs a gas (returning fumes or ambient air) to 
> replace the fuel being pumped out. For the transport tankers, 
> there should be a vapor return hose, and the vapors are 
> transported back to the bulk terminal where, I'm told, 
> equipment will condense 5 gallons of gasoline from a 8000 
> gallon tanker. :)


Pumps with vapor return nozzles have just become mandatory in Australia.
Mandatory in this case means 'you have 10 year to get organised' (maybe 5).
Getting a warm fuzzy green feeling was given as the reason, stopping fires
not so much.

Tony

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