Epi leather is a unique leather generally used for making purses. Louis Vuitton is the best-known supplier for bags made of this... Epi leather is a unique leather generally used for making purses. Louis Vuitton is the best-known supplier for bags made of this leather. Epi leather is tanned with plant extracts and then dyed. The dyeing process means the leather comes in many vivid colors and is very shiny. The curing process makes the bags water resistant so they are ideal for everyday use. Avoid snagging the bag as they are sturdy, but still can be easily ripped.
The formula for calculating Miles Per Gallon is simply miles driven divided by gallons used. So to calculate the miles driven you take the miles at the end of the tank and subtract the Miles at the start of the tank, and then you divide that by the total gallons of gas used.o to calculate the miles driven you take the miles at the end of the tank and subtract the Miles at the start of the tank, and then you divide that by the total gallons of gas used.
Now devide the mileage by the amount of gas. This is you miles per gallon. Check it several times and get your average. An 89 V6 will be somewhere between 17 and 24.