Tips to know: 1  Shoe repair may not be as durable as when your shoes are bought brand new, but it will extend the life of the shoe, allowing you to wear it for longer than average. 2  Quicken Loans says if you have your high quality shoes repaired over time, you should see them last up to 20 years or longer.
As with electric mowers, thereâs some variability in gas mowers. Our push mower is pretty typical. We can mow about half an acre on a single tank, and our tank is about 2/3 gallon. At a price of $3.50 per gallon, thatâs about $2.35 for a single mowing. Per acre, you can use an electric mower for $1.04.
Coal = 19,210,000 Btu per short ton (2,000 pounds) Note: heat contents of coal vary widely by types of coal. Natural gas = 1,025,000 Btu per 1,000 cubic feet (Mcf). Petroleum = 5,892,000 Btu per Barrel (42 gallons) Note: Heat contents vary by type of petroleum product. 1 Heat rates for steam electric generators in 2013. Amount of fuel used to generate 1 kilowatthour (kWh): 2  Coal = 0.00052 short tons or 1.05 pounds. 3  Natural gas = 0.01010 Mcf (an Mcf equals 1,000 cubic feet). 4  Petroleum = 0.00175 barrels (or 0.07 gallons).