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.
Let's say Car B usually averages 30 mpg, requires 87 Octane and has a 10 gallon tank. The price for 93 Octane is $3.50 and the price for 87 Octane is $3.10 for our example. A full tank of 93 Octane will cost $35.00 while a tank of 87 Octane will cost $31.00.