Thanks for the responses. Like you mention there is possible contaminants but I guess that is a possibility with conventional producers of LPG as well.
Is Bio-Propane the same as regular propane? I realize propane is a byproduct from the refining of fossil fuels like oil and natural gas whereas bio-propane is a byproduct of refining bio-diesel. Does bio-propane still have to meet the same specs like ASTM D1835 for HD5 propanein the US? Are...