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Division of Fleet Operations DFO

How do you spend your fuel $. The Division of Fleet Operations

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Division of Fleet Operations DFO

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    1. Division of Fleet Operations (DFO) Vision Statement “To be considered the most efficient organization…” Mission Statement “Provide excellent service, maximum efficiency, and customer fulfillment.”

    2. How do you spend your fuel $ The Division of Fleet Operations “Moving in the Right Direction”

    3. Goals and Objectives To understand normal internal combustion process To explain abnormal fuel ignitions and remedies to those problems To explain octane Ratings and their functions To show examples of fuel usage compared to their repair and maintenance costs To show options to save your fuel $

    4. Conventional Four Stroke Cycle Air:Fuel ratio 14.7:1 1 Intake Stroke 2 Compression Stroke 3 Combustion Stroke 4 Exhaust Stroke

    5. Abnormal fuel ignitions Knocking or Pinging: Flame front collides with the rising piston or other flame front Pre-Ignition: Air and fuel mixture prematurely igniting

    6. Controlling abnormal ignition Electronic Control Module (ECM) controls all electronic functions of vehicle Knock sensor detects “pinging” allowing spark plug timing to be adjusted Oxygen Sensor detects Air:Fuel mixture after the burn indicating a need for a possible change

    7. Controlling abnormal ignition Throttle Position Sensor (TPS) gauges how far gas pedal is depressed Manifold Absolute Pressure (MAP) sensor verifies oxygen content in air, relative to altitude Coolant Temperature Sensor (CTS) detects a “cold” engine Octane Ratings

    8. What is an Octane Octane consists of eight carbons atoms surrounded by hydrogen atoms 70% Octane and 30% Heptane is 70 “Octane” In WWII Tetraethyl lead was used to significantly increased octane rating Methyl tertiary butyl ether (MTBE) boosts octane ratings and is an oxygenate

    9. What is an Octane Rating Measure of the antiknock properties of gasoline Higher Octane ratings allow for a more controlled burn Research Octane Number (RON) Motor Octane Number (MON)

    10. How Did We Get Here? Concerns with vehicle performance and capabilities Recent years have seen significant fuel price increases Fuel costs increased $.26 cents per gallon from last year More mileage being driven each year

    13. The Low-Down on High Octane Gasoline Are you tempted to buy a high octane gasoline for your car because you want to improve its performance? If so, take note: the recommended gasoline for most cars is regular octane. In fact, in most cases, using a higher octane gasoline than your owner's manual recommends offers absolutely no benefit. It won't make your car perform better, go faster, get better mileage or run cleaner. Your best bet: listen to your owner's manual.

    14. %’s of fuel used

    15. How much fuel do we use? Total of all fuels Prem.Unleaded Plus Unleaded Reg. Unleaded 10,473,875.86 gal. 1,614,746.40 gal. 3,345,955.80 gal. 5,513,173.66 gal.

    16. Using Regular Unleaded how much $ can we save Premium Unleaded Plus Unleaded Total fuel $ saved $248,670.95 $354,671.31 $603,342.26

    17. Analyzing the Ford Crown Victoria Including: Repair Costs Maintenance Costs Life Miles Model Year 747 Vehicles Not Including: Fuel Costs Equip Costs Up fitting Costs Accidents Anomalies Exceptions

    18. Repair and Maintenance for the Ford Crown Victoria Information Includes: 747 Crown Victoria’s Repair and Maintenance Costs Model Year and Life Miles

    19. Available alternatives Use State fuel sites when filling with gasoline Use Regular Unleaded fuel when fueling Encourage conservative driving

    20. Recommendation Using Regular Unleaded fuel will get your fuel $ back in your budget Verify your vehicles are running properly Routine Preventative Maintenance (PM) can alleviate many questions of vehicle reliability

    21. Division of Fleet Operations (DFO) Any Questions ?

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