GRETA

Discussion in 'Off-Topic Discussion' started by roders, Dec 30, 2019.

  1. wiseowl

    wiseowl Admin Staff Member

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    Kent vineyards are beautiful, abundant and easily accessible, and with more than 50 vineyards to choose from, there is one at Cliff and one on Bluebell hill near me:smile:
     
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    • roders

      roders Total Gardener

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    • Fat Controller

      Fat Controller 'Cuddly' Scottish Admin! Staff Member

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    • roders

      roders Total Gardener

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      Thanks........mate.
       
    • Fat Controller

      Fat Controller 'Cuddly' Scottish Admin! Staff Member

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      Anytime, you know that :)
       
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      • roders

        roders Total Gardener

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      • Fat Controller

        Fat Controller 'Cuddly' Scottish Admin! Staff Member

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        As long as we get peace, I don't really care......
         
      • Fat Controller

        Fat Controller 'Cuddly' Scottish Admin! Staff Member

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      • Fat Controller

        Fat Controller 'Cuddly' Scottish Admin! Staff Member

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        Now, I have just ran some numbers on this one, and I think you (and perhaps Greta) may find them interesting.

        The vast majority of hydrogen produced in the world (as of 2019) was produced by a process called SMR (Steam Methane Reforming) - Steam reforming - Wikipedia

        For every ton of hydrogen produced, 9 tons of CO2 are also produced.

        Gate's yacht requires 56 tons of hydrogen between its two tanks, and on that it is stated it will run for 3750 miles before needing refilled.

        9 tons = 457,221kg, or 457,221,000 grams

        Cars in the very highest VED bracket (mine!) in the UK are in the 255g/km bracket.

        Therefore a car like mine would have to travel 1,793,024 km, or 1,114,133 miles to produce the same amount of CO2 that Mr Gate's yacht will produce for one fill up!

        That means that his yacht operates at 75,761g/km


        But it is you and I who are the problem by daring to go to work in our cars and heating our homes during winter.

        These elites must think we are bloody stupid
         
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        • CanadianLori

          CanadianLori Total Gardener

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          Looks like Captain Nemo should be at the helm!

          And I do agree, this is really insulting. I'm being told to cut down on heating my house and we have some pretty harsh winters. Next we'll be told to abandon cold countries and only live near the equator!
           
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          • Scrungee

            Scrungee Well known for it

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            We're going to need lots of new nuclear power stations to produce Hydrogen fuel, plus provide power for charging electric cars, plus provide power for new build non-fossil fuel heating systems, and probably lots more if the UK makes existing gas central heating installations illegal Gas heating ban for new homes from 2025

            Allthough we've perservered with electric heating which supplements burning wood to heat our house (roof slopes not suitable for solar panels), I suspect we'll be expected to subsidise everybody else's conversions back to electric heating.
             
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              Last edited: Feb 9, 2020
            • Sheal

              Sheal Total Gardener

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              With the ban on hybrid and combustion engine cars from 2035, just 15 years from now, I haven't seen other vehicles mentioned - lorries and buses etc. We already have a number of electric buses here but I can't see it being feasible for lorries driven long distance.

              If I'm still around in fifteen years I'll probably invest in a horse and cart. I've been saying for years we'll go full circle and come back to this. :biggrin: No doubt there'll be some excuse found to ban these as well. :doh:
               
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              • Jiffy

                Jiffy The Match is on Fire

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                There is a poo bus in Bristol, well it runs on gas which is produced from poo
                 
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                • NigelJ

                  NigelJ Total Gardener

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                  The current thinking on modern "eco-friendly" hydrogen production is that it would be produced by the electrolysis of water, the electricity coming from renewable sources ( wind, solar etc) Hydrogen is not the easiest gas to handle, it diffuses through polymers and metals, can cause the metal to become brittle, it tends to leak out through joints as well. Liquefied hydrogen requires temperatures below -250°C. It's also flammable.
                  Storage and transport would be as a compressed liquefied gas in insulated tanks, although other ideas include the use of highly porous minerals or as metallic hydrides.
                  One idea is adding hydrogen (up to 20%) to the natural gas supply, I believe it's being trialed, as HyDeploy, at Keele University with extension to trials with domestic users being set up.
                   
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                  • pete

                    pete Growing a bit of this and a bit of that....

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                    I just think that the amount of renewable electricity that we are going to require in the future is going to be the big problem. Heating our houses when we cant use gas, and running our cars and buses. Not to mention industry.
                    And now making hydrogen.:ideaIPB::yikes:

                    We can't cover the whole country in solar farms and wind farms, because we will need the land to grow all those vegetables that we will be eating, that veg we will turn into methane .:biggrin: So cutting out the cows from the equation.;)

                    There are lots of people living in cloud cuckoo land, (Not referring to you Nigel), if they think this is all actually going to work, or are we just being sold a load of old pony.
                     
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