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 $2.26 per gallon, which is the lowest average since May 12, 2009. 2  The national average price of gas has dropped for 97 consecutive days, which is the longest streak on record. 3  Average gas prices have dropped every day since September 25 for a total of $1.09 per gallon. Consumers this month spent about $215 million per day less on gasoline compared to December 2013. 2  Todayâs national average price of gas is $1.06 per gallon less than a year ago. 3  Many drivers are saving $15-$30 every time they go to the gas station compared to a year ago.