Characteristics: Bismuth is a brittle, silvery-green metal that has a low melting temperature and high specific gravity. Being both stable and non-toxic, bismuth is often used as a replacement for toxic metals such as antimony, cadmium, lead and mercury.
1 (Minimums vary by location and tank size, and can range from 100-1,500 gallons.) More often, the propane company charges a fee of anywhere from $25-$250 a year but averaging around $75-$130 annually, depending on local rates, the size of the tank and whether it's aboveground or underground.
At the beginning of this week, the national average price of gas stood at $2.66 per gallon, exactly $1 less than what it was one year ago. And yet, consumers are less enthused because many enjoyed paying prices that were close to $2 and in some instances, even less than $2 per gallon back in December and January.