Below is a fuel cost per mile chart. With it, you can calculate the difference fuel price and fuel-economy changes make.
Say fuel costs $4.50 per gallon and your straight truck averages 9 miles per gallon. On the chart, find where the $4.50 row intersects with the 9 MPG column, and you will see that fuel adds $0.50 per mile to your per-mile operating costs.
Now say you can save $0.40 per gallon through the fuel discount program discussed in this thread. $4.50 per gallon becomes $4.10 per gallon, and $0.50 per mile for fuel becomes $0.46.
Will $0.04 per mile make a difference in a load-acceptance decision? For some, it may. For others it may not. For Diane and me, it may. We tend to be firm in pricing our services. On a borderline load, the $0.04 per mile may very well make a difference and thus have a positive effect on our acceptance numbers.
Now, let's take a look at the chart in a different way. Say fuel is selling for $4.50 per gallon and instead of getting 9 MPG, your truck gets 10 MPG. $0.50 per mile for fuel becomes $0.45.
Is it possible to increase your MPG by 1 without changing trucks? For some it is, yes. Diane and I did it by
changing our driving habits and adding
Airtabs to the truck.
So, by combining our carrier-sponsored fuel discount with improvements we made in our truck's MPG, we have reduced our operating costs by about $0.09 per mile (provided the discount program holds, and there is no telling if it will).
The money saved can be leveraged to further reduce one's operating costs. For example, using the saved money to more-quicly pay down your truck debt will reduce the interest expense of your truck loan.
$0.04 here and $0.05 there may not seem like much day by day. But over a year's time, it adds up. If you drive 120,000 miles a year, $0.09 a mile translates into $10,800.
At the end of the year, some people will decide to get out of the business because they can't seem to make it work, no matter what they do. Others will celebrate the additonal $10,000 they managed to tuck away.
What's the difference? Part of it is the people who manage to tuck money away pay attention to numbers like these and take action to bring the money home.