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.
1 Todayâs national average price of gas is $2.75 per gallon, which is the lowest average since Oct. 5, 2010. 2  Gas prices nationally are about 52 cents per gallon less expensive than a year ago, which is the greatest year-over-year savings since 2009.WASHINGTON, November 3, 2014) After a streak of 1,409 consecutive days of a national average above $3 per gallon, the price for regular unleaded gasoline fell to $2.99 per gallon on Saturday, which marked the first time the AAA indicator had fallen below that mark since December 22, 2010.