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The 2021 Toyota Miari

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  • 23-02-2020 3:51pm
    #1
    Posts: 21,179 ✭✭✭✭


    https://www.motor1.com/news/375766/2021-toyota-mirai-fuel-cell/

    https://www.greencarreports.com/news/1126904_2021-toyota-mirai-aims-for-400-mile-range-more-details-on-sporty-hydrogen-fuel-cell-sedan

    I have to say it does look nice, 700 Km range, most likely Japanese cycle.

    Didn't get the power of the motor but the previous one was around 150 Hp so I don't expect it to be very exciting but decent. Can power the motor alone.

    So yeah, I think the Fuel cell has advanced enough to be more than accepted if the cost can be right but there is very few Hydrogen filling stations.

    Refill in 5 mins.

    BMW to use the same fuel cell in 2022.

    80 Hydrogen fuel stations planed in Ireland by 2030.

    So no need for batteries or very little. That is a good thing but the production of hydrogen needs to get a lot cleaner, excess wind and Nuclear.

    Government would be delighted to see us use Hydrogen because they can tax the Sh1t out of it, they can't with electricity.

    It will be interesting to see how it all develops and whether the manufacturers start to produce fuel cells.

    But for the foreseeable BEV will take the lead in green car production, it doesn't look like there will be any major breakthrough in batteries in the near future at least.


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Comments

  • Registered Users Posts: 12,111 ✭✭✭✭KCross


    “ 80 Hydrogen fuel stations planed in Ireland by 2030.”

    Where did you hear that?
    I haven’t seen it in any govt plans. I’d say much less chance of that happening than the 1m EVs by 2030 and that’s a long shot too.


  • Moderators, Home & Garden Moderators Posts: 5,941 Mod ✭✭✭✭graememk


    If you lived somewhat near a h2 station it wouldn't be too bad, 700k is enough to get to anywhere in Ireland and back, even if it is the Japan cycle


    Anyone know a comparison between the wltp and the Japan cycle?

    Now, how far would you go for a h2 station (if it wasn't on you way to work/etc

    My nearest town (with petrol stations) and is 5-6 (8ish km) miles away, and nearest city is 25 miles (40ish km/ 30-40 min drive) away.


  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    KCross wrote: »
    “ 80 Hydrogen fuel stations planed in Ireland by 2030.”

    Where did you hear that?
    I haven’t seen it in any govt plans. I’d say much less chance of that happening than the 1m EVs by 2030 and that’s a long shot too.

    Google it was in the times last year.

    If the Government can make a lot more money on hydrogen you can bet they will push to have hydrogen stations installed.

    It wouldn’t surprise me if the petrol stations start installing hydrogen stations in the nearer future.


  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    graememk wrote: »
    If you lived somewhat near a h2 station it wouldn't be too bad, 700k is enough to get to anywhere in Ireland and back, even if it is the Japan cycle


    Anyone know a comparison between the wltp and the Japan cycle?

    Now, how far would you go for a h2 station (if it wasn't on you way to work/etc

    My nearest town (with petrol stations) and is 5-6 (8ish km) miles away, and nearest city is 25 miles (40ish km/ 30-40 min drive) away.

    I’m around 5 k from the nearest petrol station but my ev station is at home.

    If Toyota could sell those for the cost of a Prius then they’d sell like hot cakes provided you could get the hydrogen.

    You can be damn sure the majority of the public would rather a hydrogen car anyway.


  • Moderators, Home & Garden Moderators Posts: 5,941 Mod ✭✭✭✭graememk


    I’m around 5 k from the nearest petrol station but my ev station is at home.

    If Toyota could sell those for the cost of a Prius then they’d sell like hot cakes provided you could get the hydrogen.

    You can be damn sure the majority of the public would rather a hydrogen car anyway.


    New Prius is about 34k?

    What sort of range does a fill.of a tank get on a prius.

    If they matched that... And had h2 availability. Would sell really well.

    Getting the h2 availability is the sticking point.

    Do you think it would sell say if it had the range say of the ev triplets at the same price (40k) (assuming h2 availability)


    Have a bulk tank of Derv at home so been able to self fill at home, I understand the benefits of having a refill/charge at the house.

    when it's empty it's such a chore to actually go to a petrol station. Moving to an EV and home charging isn't going to be a huge break in habit.

    Also it's a nice looking cruiser of a car.


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  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    Don’t know about the current Prius but my old Prius MK II could do 840 kms on 45 litres.

    I think most people would rather a hydrogen car because refuelling would be a similar experience even if the fuel is more expensive I think people would accept it and once you are so used to spending so much on fuel it becomes normal so if you can get a fuel cell car out to the masses before they all go electric no one would be aware electric as so cheap or at least very few.

    But depends on the cost of hydrogen whether someone would buy a 40 k fuel cell car over a battery car, the cost of electricity is cheap hydrogen is never going to be that cheap and the Government will see to that they can also make free money on hydrogen so everything stays as it is as hydrogen becomes a gravy train for big companies and governments.

    The car manufacturers will make whatever makes them the most money and the fact the fuel might cost people more wont matter to them.


  • Registered Users Posts: 3,959 ✭✭✭mp3guy


    Morbid curiosity in seeing a 10,000 PSI tank rupture. I feel it would be more spectacular than a BEV fire or an ICE fuel explosion.


  • Registered Users Posts: 81,895 ✭✭✭✭Atlantic Dawn
    M


    It will live and die by the refuel cost and how many fuel stations will support it.


  • Registered Users Posts: 214 ✭✭pdpmur


    mp3guy wrote: »
    Morbid curiosity in seeing a 10,000 PSI tank rupture. I feel it would be more spectacular than a BEV fire or an ICE fuel explosion.

    There was a Hydrogen fuel station fire in the last year in Norway:
    https://insideevs.com/news/354223/hydrogen-fueling-station-explodes/
    https://qz.com/1641276/a-hydrogen-fueling-station-explodes-in-norways-baerum/

    Interestingly according to the reports there appears to have been a hydrogen leak from a storage tank followed by a hydrogen fire with quite a significant pressure wave.

    Obviously a tank rupture could be quite a lot more damaging. Hydrogen has some interesting PVT properties that make it potentially more susceptible to auto-ignition:
    https://www.britannica.com/science/Joule-Thomson-effect


  • Registered Users Posts: 9,760 ✭✭✭Effects


    Looks amazing in the concept, then you see the real thing and it looks a bit meh.


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  • Registered Users Posts: 214 ✭✭pdpmur


    Effects wrote: »
    Looks amazing in the concept, then you see the real thing and it looks a bit meh.

    Yeah, but can you imagine the amount of legal cases for brain trauma, perforated ear drums, whiplash, etc etc that will be generated by such a pressure wave from a fire in Ireland? The serial claimers will have a field day.


  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    I don’t think there’s been a case of one exploding yet and there’s more than a few the last number of years.

    But if the manufacturers are going with hydrogen in the future we won’t have much choice, they’ll go with what makes the most profit.

    Im sure there won’t be many exploding the sh1t will be smashed out of them during crash testing. If there’s a issue with exploding thanks they won’t risk getting sued.


  • Registered Users Posts: 9,760 ✭✭✭Effects


    If there’s a issue with exploding thanks they won’t risk getting sued.



  • Registered Users Posts: 1,768 ✭✭✭timsey tiger


    graememk wrote: »
    If you lived somewhat near a h2 station it wouldn't be too bad.

    But would you object to the planning application, because it would devalue the value of your house, or maybe your neighbour's would get your useful local td/councillor/Healy-Rea type to do it.


  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,615 Mod ✭✭✭✭bk


    People talk about how it only takes 5 minutes to refuel a hydrogen vehicle. But then forget to mention that it then takes 20 minutes for sufficient pressure to build up to fill then next car. In other words, you can only refuel a hydrogen car about once every 25 minutes. No at all that different then fast charging.

    Only it is worse, because you don't have at home fuelling like you do for electric and if all cars were hydrogen you would end up with massive queues at hydrogen stations with people waiting to use the pump every 25 minutes!

    Also you have the issue that the refuelling stations can't be built anywhere close to homes, because of their explosive potential. People above are talking about their petrol stations being only 5km away. But there won't be any city/village/town based hydrogen refuelling stations like you currently have for petrol stations. Only motorway style fuelling stations will be possible. And that is fine if you pass one every day on your daily commute. But for city based people it would be a massive pain in the neck, having to drive out onto the motorway once a week, just to get hydrogen!

    At first glance, the idea of Hydrogen seems cool, it looks like a direct replacement for oil/diesel. But once you look into the details of the practicalities of it, cost, transport, production, etc. It really doesn't add up for most vehicles IMO.


  • Moderators, Home & Garden Moderators Posts: 5,941 Mod ✭✭✭✭graememk


    But would you object to the planning application, because it would devalue the value of your house, or maybe your neighbour's would get your useful local td/councillor/Healy-Rea type to do it.

    Quite rural where I am so that wouldn't be a problem for me, with the nearest petrol station 8km away! There was ones closer but went bust/retired. So its never will be an issue for me (and never lived in a town)

    How close would be too close? 1k? 500m?

    There prob will be added to the large stations, could they replace the underground fuel tanks with h2 eventually?

    I can see HGV's eventually going down the h2 route. But I'd say that still 30 years out.

    Wrightbus are bringing out h2 buses now up north, so if the public transit could be switched from Diesel and they have their own depo with refueling point.


  • Registered Users Posts: 12,074 ✭✭✭✭Duke O Smiley



    80 Hydrogen fuel stations planed in Ireland by 2030.

    That’s laughable.

    I’m guessing in reality that figure will be about what, 15?


  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    I'm sure the pump pressure issue is not going to be an issue much longer, if it's even an issue today I don't know.

    I can imagine technology will solve many hydrogen relates issues long before there is that magic breakthrough in battery tech.

    Battery tech is good enough for most but the issue of poor recharge times when cold and lack of public chargers remains a serious issue.

    You can be damn sure than if Car manufacturers choose to build fuel cell cars and abandon battery cars that the roll out of hydrogen stations will take a fraction of the time than it's taken to install chargers.

    The length of time it's taken to install the miserable amount of chargers in Ireland is shocking, the ESB only install their first 2 chargers since 2015 in November 2019, then they call a 2x charger installation with no weather protection a " charging hub " it's a disgrace.

    There's much more of a profit to be made with a hydrogen economy and I feel this is the direction car manufacturers will go because they won't have to install or buy expensive batteries, unless there's a dramatic reduction in the cost of batteries in the next 10 years.


  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    That’s laughable.

    I’m guessing in reality that figure will be about what, 15?

    That's the Irish Government, their charging infrastructure plan has been a disgrace.

    If the big oil companies decide to roll out the infrastructure that's a different matter and of course if it turns out it costs a lot less to make fuel cell cars than battery cars you can be sure car manufacturers will be quick enough to drop battery cars for fuel cell.

    Toyota certainly has 0 intentions in BEV probably because they invested so much in Fuel cells.


  • Registered Users Posts: 9,760 ✭✭✭Effects


    But would you object to the planning application, because it would devalue the value of your house, or maybe your neighbour's would get your useful local td/councillor/Healy-Rea type to do it.

    Surely they'd just be part of where my local petrol station is anyway, so no real change to my house value.


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  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,615 Mod ✭✭✭✭bk


    I'm sure the pump pressure issue is not going to be an issue much longer, if it's even an issue today I don't know.

    It has proven to be a major issue in Korea, where Hyundai have been pushing it. Big queues at the relatively small number of pumps.
    I can imagine technology will solve many hydrogen relates issues long before there is that magic breakthrough in battery tech.

    Why? Battery tech seems to be advancing at a much faster pace then hydrogen.

    Battery R&D gains the advantage that it is also needed for mobile, phones, tablets, laptops and all sorts of consumer electronics. So advancements there cross pollinate with automotive batteries and grid battery tech. Hydrogen doesn't have this advantage.

    I haven't heard any talk about a cost effective solution to the hydrogen pressure issue.

    And of course, the point is, this isn't really an issue for EV's, as most people will charge at home. A 30 minute fast charge is a relatively infrequent need for long distance trips. Whilst a 25 to 30 minute hydrogen wait will be at least a weekly chore for hydrogen cars.
    Battery tech is good enough for most but the issue of poor recharge times when cold and lack of public chargers remains a serious issue.

    The point is, hydrogen cars fuelling time is as slow as fast charging due to the low pressure issue of fuelling, so it isn't going to magically go away as a problem and it is a much more serious issue due to the lack of at home fuelling.

    And lack of public charges. LOL, versus the zero hydrogen stations in Ireland at the moment! And the cost of building them 2 million plus (much more expensive then a petrol station) and how few of them there will be and how you can't build them near populated places and how you will have massive queues of people charging only every 25 minutes as they will be the only way to refuel.

    Hydrogen is definitely not the solution to this issue. The solution is at home charging, bigger batteries and lots more fast chargers. It really isn't that hard of an issue.

    You can be damn sure than if Car manufacturers choose to build fuel cell cars and abandon battery cars that the roll out of hydrogen stations will take a fraction of the time than it's taken to install chargers.

    you are deluded if you think that! Given the very high cost of the hydrogen stations, planning premission issues and issues with them not able to be built near homes. Rollout will be extremely slow.

    And anyway the auto companies have mostly given up on the Hydrogen dream, even Toyota has announced that they are going to start building full EV's
    The length of time it's taken to install the miserable amount of chargers in Ireland is shocking, the ESB only install their first 2 chargers since 2015 in November 2019, then they call a 2x charger installation with no weather protection a " charging hub " it's a disgrace.

    And hydrogen stations will take 10 times as long to build just one, given the cost and planning objections.


  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,615 Mod ✭✭✭✭bk


    Effects wrote: »
    Surely they'd just be part of where my local petrol station is anyway, so no real change to my house value.

    No, hydrogen stations are much larger, much more complicated and much more expensive to build. You can't build them near private homes, only places like industrial parks or off motorways due to serious safety concerns. A hydrogen storage tank exploded at a hydrogen production facility recently and it levelled an area the size of half a football pitch!

    Hydorgen is not a direct replacement for petrol/diesel stations.


  • Registered Users Posts: 9,760 ✭✭✭Effects


    bk wrote: »
    No, hydrogen stations are much larger.

    I think I'm just misremembering the stations used in a video review of the Hyundai hydrogen suv.


  • Registered Users Posts: 1,768 ✭✭✭timsey tiger


    I was joking earlier about house values, but planing objections would surely be off the charts for hydrogen stations. It is ingrained in us that hydrogen has extremely dangerous, that Hindenburg photo.

    Could the miari be banned from the port tunnel or other tunnels? All gas powered cars are banned from the channel tunnel.

    Notwithstanding all the problems, hydrogen station roll out has one big advantage over charging stations. Hydrogen stations would not have to compete with home charging. Hydrogen car drivers have no choice.


  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,615 Mod ✭✭✭✭bk


    Effects wrote: »
    I think I'm just misremembering the stations used in a video review of the Hyundai hydrogen suv.

    Keep in mind, that above ground, the pump looks similar to an ICE pump, most of the storage tanks and equipment is below ground.


  • Registered Users Posts: 9,760 ✭✭✭Effects


    It was this video I had watched last year:



  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,615 Mod ✭✭✭✭bk


    So I just found why Mad_Lad thinks there will be 80 Hydrogen refilling stations, by 2030. This article has the details:
    https://www.irishtimes.com/business/innovation/plan-for-80-hydrogen-fuel-stations-for-ireland-by-2030-1.4026492

    Basically it is just a proposal by a consortium of business who want to push Hydrogen. There is currently no government support for this.

    They say that the government will need to subsidised this by €1.5m to €2m per station! Which BTW is on the low side, they cost $2m to $3m in the US. So you are talking at least €160million for 80 stations. How many fast chargers could you build for that?

    And the main target for this is fleet operators they say, CIE, DB, trucking companies, etc. Though they would also allow cars to use it, but not the main target.

    Problem is fleet operators are already choosing EV. NTA have announced they are buying 600 plugin hybrid EV buses for DB/BE over the next 6 years and plan to go full EV after that. An Post have already been rolling out EV vans.

    It all seems rather unlikely to me.

    I'm not saying that there won't be any hydrogen vehicles at all, probably some buses and trucks will go Hydrogen, but I suspect there will be very few hydrogen powered cars. EV just makes far more sense.


  • Posts: 21,179 ✭✭✭✭ [Deleted User]


    I never said I thought there'll be 80 Hydrogen stations in Ireland by 2020.


  • Registered Users Posts: 2,645 ✭✭✭krissovo


    My company based in California had a deal with Toyota 18 months ago to supply the Mirai as local run arounds for visitors and business trips so I got to use one when I was over a handful of times. The car was ok but refueling was challenging at times, hydrogen has its own issues and most of the "hydrogen highway" in California is served by tanks that only store ~120kg of hydrogen so they have apps similar to EV's to show the capacities as a car will take 4 to 5kg to fuel up. Also when the tanks get low around 50% then they recharge the pressure after each fill so the wait time is progressively longer and the time to fill.

    The have switched to EV now and use Tesla's, the Mirai needs some soul but as a car its ok. Similar characteristics to a EV with the torque so could have some fun factor if developed that way.


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  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,615 Mod ✭✭✭✭bk


    Sure, but that video just shows the pump. It doesn't show all the storage and equipment that goes with it. This is what a typical one looks like. This is a picture of the station that caught fire in Norway:

    Engineered-Design-Insider-hydrogen-fuel-station-norway-Uno-XOil-Gas-Automotive-Aerospace-Industry-Magazine.jpg

    The building is where all the storage and equipment is, the pumps are out front and look normal.


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