I respectfully disagree with mkirsch. The heat of operation and sun were in play, but the air had long before been fundamentally purged. The vapor pressure of fuel (todays and yesterdays inclusive) is such that the light fuel components, some of the main components of gasoline, isooctane, butane, ethanol are aromatic compounds, they will vaporize at room temperature. That is why gasoline will evaporate when placed in the open. In the winter, the temperature is low enough that only a few of them evaporate. Winter fuel is formulated with higher volitility Butane to make winter starting possible. Spring gasoline is a problem because it is quite often the winter grade and will fume excessively out the vent. It is wasted fuel in every way. Modern cars have pressure rated tanks and vapor recovery systems to avoid pollution (hydrocarbons) and wasted fuel. Jim
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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