Fuel Economy and Cost After refueling we put the fuel amounts and the prices paid into a spreadsheet and compiled a clear, side-by-side comparison for both fuel consumption and cost. Remember, these results apply only to this vehicle and to the prices in effect during our 667-mile test.
Gas Result: From San Diego to Las Vegas and back, we used 36.5 gallons of regular gasoline and achieved an average fuel economy of 18.3 mpg.
Gas Cost: We spent $124.66 for gasoline for the trip. The average pump price was $3.42 per gallon.
E85 Result: From San Diego to Las Vegas and back we used 50 gallons of E85 and achieved an average fuel economy of 13.5 mpg.
E85 Cost: We spent $154.29 on ethanol for the trip. The average pump price was $3.09 per gallon.
Gas vs. E85 difference: The fuel economy of our Tahoe on E85 under these conditions was 26.5 percent worse than it was on gas.
A motorist filling up and comparing the prices of regular gas and E85 might see the price advantage of ethanol (in our case 33 cents, or 9.7 percent, less) as a bargain. However, since fuel economy is significantly reduced, the net effect is that a person choosing to run a flex-fuel vehicle on E85 on a trip like ours will spend 22.8 percent more to drive the same distance. For us, the E85 trip was about $30 more expensive about 22.9 cents per mile on E85 versus 18.7 cents per mile with gasoline.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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