• The Forums are now open to new registrations, adverts are also being de-tuned.

The EV fact thread

Zero emissions ICE is here now.

I understand JCB's hydrogen combustion engines (now licensed for production use) are considered to be zero emissions because any NOx produced is too low to be detected or measured. There are no hydrocarbon/CO2/particulate emissions from burning hydrogen of course.
What?....of course there are....and one of them is nasty poisonous, toxic, ULEZ unfriendly NOX !
 
I’m happy to wait for someone with some greater knowledge on the specific fractioning process (and I’m certain they’re on this thread!), but I’m sure that 27 Trillion litres of crude oil will not be simply wasted as implied if the UK stopped using 30 million ICE vehicles (just going from rough estimates above)

There was talk of using synthetic fuels earlier in this thread - so if you’re not using the crude (and refining that into gasoline/gasoil) for ICE vehicles, you’d still be wasting the fuel as you suggest and using more energy to create the synthetics anyway.

As above crude will still be used to meet the continued demand for everything else apart from gasoline and diesel. Someone, somewhere must have a 'cunning plan' for what to do with those once they can't be used in road vehicles. Presumably in the short/medium term they'll simply be sold to the other parts of the world that don't have zero emissions legislation.
 
Zero emissions ICE is here now.

I understand JCB's hydrogen combustion engines (now licensed for production use) are considered to be zero emissions because any NOx produced is too low to be detected or measured. There are no hydrocarbon/CO2/particulate emissions from burning hydrogen of course.

It's still ICE, but this is moot point because we both know that we'll never see mass production of road-going cars with this tech. In fact, we will probably not see it anywhere apart from in some pieces of agriculture machinery.

Also, regarding Hydrogen (both Fuelcell and ICE), there's the electricity required to produce it - and pressurise it - what we're saving here compared to BEV is mostly the battery, but not much electricity?
 
As above crude will still be used to meet the continued demand for everything else apart from gasoline and diesel. Someone, somewhere must have a 'cunning plan' for what to do with those once they can't be used in road vehicles. Presumably in the short/medium term they'll simply be sold to the other parts of the world that don't have zero emissions legislation.
I suspect a fair amount will still be sold in the UK and Europe, as it’s going to stake many years for demand to fall off significantly.
 
I would imagine that if it’s as clear cut as Bill is suggesting (the fractioning process) there will always be some surplus and wastage - it’s inconceivable to think that the amounts of each fraction are always used in total balance with each other - demand does not work like that! :)
 
What?....of course there are....and one of them is nasty poisonous, toxic, ULEZ unfriendly NOX !

Eh? NOx isn't hydrocarbon, CO2 or particulate.

IIRC JCB claimed that the raw exhaust from their hydrogen engine already contains less NOx than EU6 diesel exhaust, and it can be reduced to unmeasurable levels by exhaust treatment.

If it can't be measured then it would presumably qualify as zero emission (because nobody would know if it was there or not!).
 
I would imagine that if it’s as clear cut as Bill is suggesting (the fractioning process) there will always be some surplus and wastage - it’s inconceivable to think that the amounts of each fraction are always used in total balance with each other - demand does not work like that! :)

There's a global market for oil products though - they are bought and sold for use all around the world. Supply and demand just affects the pricing (and you can make money from buying in one part of the world and selling in another, depending on the tanker market).

Crude oil also comes in many different grades (types) depending on the source. These will give differing yields of the various products so your refinery output will depend on the crude you buy.
 
It's still ICE, but this is moot point because we both know that we'll never see mass production of road-going cars with this tech.

Sure. I was just replying to the comment about zero emission ICE being 'just around the corner'.

In fact, we will probably not see it anywhere apart from in some pieces of agriculture machinery.

I think the primary market for JCB is site plant rather than agriculture. They typically don't have mains power and get diesel delivered by tanker so using hydrogen in a similar way isn't a major change.


Also, regarding Hydrogen (both Fuelcell and ICE), there's the electricity required to produce it - and pressurise it - what we're saving here compared to BEV is mostly the battery, but not much electricity?

That's not the point though. If you don't have an electricity supply to a construction site how else can you operate zero emission plant there?
 
That's not the point though. If you don't have an electricity supply to a construction site how else can you operate zero emission plant there?
I’m guessing markjay means in terms of as a viable alternative for mass usage to rival ICE road vehicles or EVs in the context of this thread (not for construction machinery which by comparison is a totally different market!)
 
I’m guessing markjay means in terms of as a viable alternative for mass usage to rival ICE road vehicles or EVs in the context of this thread (not for construction machinery which by comparison is a totally different market!)

True, but the general point that using the least electricity isn't always possible can also apply to road vehicles. E.g. BEV buses may be the most efficient, but current models aren't suited to some routes (longer and/or hilly ones, particularly in winter). So if they have to be zero emission then hydrogen (fuel cell in this case, rather than combustion) would be the only workable option for now.
 
Just working on some very rough numbers here.

30 million ICE vehicles, 35mpg
If it takes 4.5 kWh to refine a gallon of petrol
7k miles PA

I make that 27 TWh - just to refine? Not considering all of the associated and indirect losses of getting that fuel to the pump itself.

Happy to be corrected - but just to get the ball rolling. And Bill’s assumptions above were based on 40 million EVs, and I questioned the 10kWh (per day) figure per vehicle as I think it’s significantly too high anyway.

There are times when a topic goes stupid.

And this is happening here.

So we have a digression into filing station energy consumption - which is irelevant.

And now refinery energy consumptrion within the context of UK EV vehicle energy consumption.

Yes refining takes energy,. But consider that (a) refineries are supplied with fuel ath they can then use as the energy source for their refining and (b) the UK imports mainly finished refined fuels.

So this is pretty irrelevant when it comes to the fundamental that the UK needs power generation to support the cumulative consumption of EVs being operated over a total of a given number of billions of miles at some average kWh per mile.

The issue with regard to fuel distribution is that it provides a huge amount of energy for vehicles to support the cumulative consumption of ICEs being operated over a total of a given number of billions of miles at some average kWh per mile.

So you have to be able to generate sufficient power generation capacity to cover the needs of the EVs as they replace ICEs.

This is not proEV or against-EV - it's a simple observation that to support a given mileage being driven by EVs that you need a power supply. You are effectively replacing energy imported in tankers and distributed to filling stations by power generated somehwere by something and delivered to a charging location by cable. The problem is that somewhere is the UK and something is power stations.

This is not complicate to understand.

And yet ....

What worries me is that our policy makers are as blind to the simple fundamentals as is being demonstrated some of those here.
 
There are times when a topic goes stupid.

And this is happening here.

So we have a digression into filing station energy consumption - which is irelevant.

And now refinery energy consumptrion within the context of UK EV vehicle energy consumption.

Yes refining takes energy,. But consider that (a) refineries are supplied with fuel ath they can then use as the energy source for their refining and (b) the UK imports mainly finished refined fuels.

So this is pretty irrelevant when it comes to the fundamental that the UK needs power generation to support the cumulative consumption of EVs being operated over a total of a given number of billions of miles at some average kWh per mile.

The issue with regard to fuel distribution is that it provides a huge amount of energy for vehicles to support the cumulative consumption of ICEs being operated over a total of a given number of billions of miles at some average kWh per mile.

So you have to be able to generate sufficient power generation capacity to cover the needs of the EVs as they replace ICEs.

This is not proEV or against-EV - it's a simple observation that to support a given mileage being driven by EVs that you need a power supply. You are effectively replacing energy imported in tankers and distributed to filling stations by power generated somehwere by something and delivered to a charging location by cable. The problem is that somewhere is the UK and something is power stations.

This is not complicate to understand.

And yet ....

What worries me is that our policy makers are as blind to the simple fundamentals as is being demonstrated some of those here.
Totally agree that this thread has been dragged into stupidity - and I agree with much of what you say, and credit yourself that you do see quite pragmatic and objective with your views.

But I do feel strongly that some people will form a polarised opinion regarding something (in this context, EVs) and will try their absolute best to think of any and every possibly reason to go against the grain - just to bolster their viewpoint.

The discussion regarding energy used to refine and distribute fuels is mentioned in the context of ‘what about’ that seems to be thrown at the transition to EVs.

I think its probably worth accepting that change is happening, and the energy being spent by anti-EV folk could be better used with positive ideas on how best to optimise this instead of clinging on to the past.

Overall, we have a large group of people here from some very different backgrounds, and some thought provoking discussions which have been interesting to date. But ultimately in the same regards as politics, international affairs, football teams etc - some people will think they know better than others.

In this case, a global trend to switch to alternative power for vehicles. As is often the case, someone down the pub (or ‘bloke on the internet’ in our instance) - thinks the system is wrong, those in control are making the wrong decisions, and is a critic of that from the comfort of a keyboard.

If we allowed the collective here to make policy on vehicle propulsion and use I don’t think it would be very representative of the needs of the world, would it?
 
...The discussion regarding energy used to refine and distribute fuels is mentioned in the context of ‘what about’ that seems to be thrown at the transition to EVs..

Indeed. And I labeled my first post regarding energy consumption of petrol stations as 'argumentative'.

The purpose was (a) to highlight how those who oppose EVs will often leave no stone unturned to demonstrate their point, and (b) that the practice of picking and choosing facts is disingenuous.
 
Does anyone know what percentage of Mbclub posts are the EV fact thread?

There's potential here for a reverse take over, surely?

Turn this into the EV fact club, with a subsections for Mercedes .... and flattened potato MB EV's
 
Does anyone know what percentage of Mbclub posts are the EV fact thread?

There's potential here for a reverse take over, surely?

Turn this into the EV fact club, with a subsections for Mercedes .... and flattened potato MB EV's

Probably quite a percentage. I'd say this thread is probably the most active. Sometimes post are actually very good and informative. And other times ridiculous and ill-informed. And also sometimes very funny. (Unintentionally)🙂👍
 
Does anyone know what percentage of Mbclub posts are the EV fact thread?

There's potential here for a reverse take over, surely?

Turn this into the EV fact club, with a subsections for Mercedes .... and flattened potato MB EV's
Only 45.9% of posts on the forum are EV related, but that’s all posts going back over two decades. Year to date 2025, it’s 102.6%
 
Only 45.9% of posts on the forum are EV related, but that’s all posts going back over two decades. Year to date 2025, it’s 102.6%
Does that 102.6% include the jokes thread as most "EV facts" are in fact jokes? 🤔
 
I don't consider myself an EVangelist, I reluctantly got one due to the massive saving when leasing through the business. When I say 'reluctantly', I do not mean to say that I objected to the idea of driving an EV (I even took a Model-X on a test drive a couple of years earlier), it's just that at the time I had my W204 for only 4 years, and I wasn't really expecting to replace it just yet - in fact, I kept the W204 for another year before being persuaded to part ways with it (long story).

The reason for my (excessive) posting on here is quite simple. I leased the EV, and got on with it. Charging was never an issue. Range was never an issue. Speed on the motorway was never an issue. Heating and cooling was never an issue. The battery is still good. Etc etc. And so, seeing some of the fantastic arguments made against EVs, I just felt that I needed to set the record straight, and to redress the balance. However, responding to outlandish comments has become a tiring game of Whack-a-mole.

To clarify, with current tech, EVs won't work for everyone. I am now in Switzerland, and a local builder (originally from Albania) who travels regularly for work between Zurich and Geneva said he replaced his Vito with an EV van, then after a year swapped it back to a Vito - the EV van didn't work for him. And yes, he's the type that drives hours without stopping (while emptying Red Bull cans) at illegal speeds. So an EV van doesn't work for him - yet.

The issue I see, though, is that these extreme-use cases are often paraded at the forefront of the anti-EV debate. Many of the comments on here may not be factually incorrect, but I do find them disingenuous.
 
Last edited:

Users who are viewing this thread

Back
Top Bottom