Why not use gas engines?

Discussion in 'Questions From New Drivers' started by Jbrow327, Nov 23, 2021.

  1. Jbrow327

    Jbrow327 Light Load Member

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    Why doesn't the trucking industry use big block gas engines instead of diesel? You wouldn't need all the complex unreliable emissions systems that diesels have. You can throw a supercharger or twin turbos on for torque. Plus, rebuild or brand new engine would be far cheaper. What's your opinion?
     
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  3. AModelCat

    AModelCat Road Train Member

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    2 mpg is probably the reason.
     
  4. Flint1

    Flint1 Road Train Member

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    Meh, I own and operate a school bus fleet. We have switched to gas power. PSI makes an 8.8L big block chevy. Low rpm motor. Redline is 2400rpm. Averages 8-9 mpg on school bus service. Our diesels are 9-11 ish.
    Turn key go. No issues.
    Bigger then medium duty engines tho It has been about 50 years since gas power was used.
    And they were 2 mpg.
    Look up GMC 702 v12, 637 V8, 478 V6
    Ford had the 534 v8.
     
  5. FozzyNOK

    FozzyNOK Road Train Member

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    I love when people ask questions they already know the answers to..
     
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  6. skallagrime

    skallagrime Road Train Member

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    Why dont ocean liners just use gasoline engines?

    Why dont train engines that do diesel to electric move to gas?

    Why are all the heavy equipment mfgrs using diesel?

    Youre smart enough to ask the question, but not enough to do a basic google search
     
  7. Jbrow327

    Jbrow327 Light Load Member

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    So it's just because of mpg? If gas could get 6 to 8 mpg then they'd all switch right?
     
  8. Flint1

    Flint1 Road Train Member

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    Last edited: Nov 23, 2021
  9. FozzyNOK

    FozzyNOK Road Train Member

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    They will all be electric before they would go BACK to gasoline engines. And it would be a lot smarter
     
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  10. lester

    lester Midwest's #1 Feed Hauler

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    Diesel engines pollute less than gas
     
    jason6541 Thanks this.
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