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Inventors beware: Winds are changing on any petrol running machines
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Circlotron:

--- Quote from: Infraviolet on June 01, 2023, 05:14:44 pm ---Wankels, poor efficiency? I thought the whole point of the wankel rotary design was high efficiency, but that they were rarely used as they were a manufacturing tolerances and maintenance nightmare?

--- End quote ---
The combustion chamber has a high surface to volume ratio which means more boundary layer of unburnt fuel out the exhaust plus greater heat losses to the cooling system.
RJSV:
Folks, you missed a BIG aspect of my presentation.  That is, NO discussion of efficiency or comparison of emissions is going to satisfy the crowd vying for power, (in U.S.).  It's, stark, naked BAN, PROHIBITION of gas / petrol...period.
   That's the major gist, of my warnings, here.  (Those) folks likely cannot even spell something like 'Carnot Cycle', or 'Emissions lifetime', let alone any practical discussion.

   You're being 'too smart', with an illiterate 500 pound bear in the woods....IMO.
Ed.Kloonk:
I noticed in a flyer deposited in my letterbox all sorts of gardening machines. One item that caught my eye is a Stihl "World-first" fuel injected chain saw.

What is this fuckery?
Circlotron:
First it was Big Oil preventing us from having electric cars.
Now it's Big Electricity planning to prevent us from having fossil fuel cars.

 :bullshit:
SiliconWizard:

--- Quote from: Circlotron on June 02, 2023, 04:03:51 am ---First it was Big Oil preventing us from having electric cars.
Now it's Big Electricity planning to prevent us from having fossil fuel cars.

 :bullshit:

--- End quote ---

Yes, knowing that the majority of electricity production uses fossil fuels. But that's not a problem. Because.

I know my little finger is a lier, have a look at this graph: https://ourworldindata.org/grapher/fossil-fuel-consumption-by-fuel-type

Who would doubt that within a couple decades it's going to go down to nearly zero?
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