EV general discussion

I honestly do not know how we are going to make this pledge in 15 years. Power stations take years to build and need to be started now. Electricity is not going to come out of thin air!

Then learn, instead of joining the chorus of "I don't know how this will work, therefore it will be impossible".

It isn't exactly a secret.
 
How much have cars improved


Are you kidding me. Most engineering firms that I work with travel all over the country in their vans non stop. In the world where time is money a van cannot sit outside a Costa coffee for 30 mins and needs to be able to do 300-400 miles a day.

I honestly do not know how we are going to make this pledge in 15 years. Power stations take years to build and need to be started now. Electricity is not going to come out of thin air!

And that’s why I said ‘most’, for every engineering firm that travel the breath of the country in a huge transit there are an order of magnitude more delivery vans that do the same 50 miles every day.
 
some lgv facts average mileage 13K, and those miles, now accomplished, more on rural/motorways -
so need an electric solution ... how are those drones and amazons footprint progressing
https://assets.publishing.service.g...d-traffic-estimates-in-great-britain-2018.pdf

49529639851_340b55a731_c_d.jpg
 
Company I used to work for had a few Ev transits almost 15 years ago. They never worked properly but were used for the city of london. I thought these came from FORD directly, but that is an assumption on my part.
Most of the issues were in regards charging from memory so if you look at current EVs they seem to work fine.

The company ran around 1000 transits from memory. These were not driving all around the country, they were like most of my experience in vans driving most of the time in relatively small areas.
The majority of companies i can think of have enough vans that they don't become utterly inefficient driving 450 miles a day. I can see how small niche companies could work that way, but no large ones really would, its utterly inefficient to be doing so, unless you genuinely need to get something moved quickly. Far better to get a specialist courier to move it for you and concentrate on the thing your supposed to be providing.
 
A family member has one and likes it a lot. So much that he then bought an i-Pace as well. They find the seats slightly uncomfortable for longer trips, but otherwise it's great. Vs the Focus ST, it's probably quicker 0-30, so in the real world it may well feel quicker a good proportion of the time.
Cool i'm leaning towards it for her, will test drive a few when i get chance. She doesn't do much mileage ~7,000 and long distances are typically done in my M3.
 
That's funny... If you can't figure out why then lol.

:D That is quite a good joke. Sort of corny thing Robert Llewellyn would drop.

As an aside, the National Grid link at the top of the page links to a report about 2019 emissions from electricity generation. I thought this was particularly interesting:

Carbon%20intensity.jpg


That's a huge drop in 7 years.
 
That's funny... If you can't figure out why then lol.

Okay you are trying to be funny I get that. How are we going to make the energy supply demand in 15 years that will be needed?

A quick Google shows we use 4 billion liters of fuel a month in the UK alone. 1 liter of diesel is around 10KW hours. That's 40 billion KWH a month worth of leccy.

God know how many power stations will need to be built to cover that. I guess it is a good sector to be in at the moment!
 
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Okay you are trying to be funny I get that. How are we going to make the energy supply demand in 15 years that will be needed?

It's literally in the link at the top of the page.

"Even if the impossible happened and we all switched to EVs overnight, we think demand would only increase by around 10 per cent. So we’d still be using less power as a nation than we did in 2002 and this is well within the range of manageable load fluctuation."

What the National Grid doesn't want is 30 million EVs plugging in between 6pm and 8pm and demanding 7kW each. That's the main challenge which needs to be overcome; how do you manage and shift this demand, without causing any inconvenience for the driver. Hence, a "smart" charging network is considered vitally important.
 
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It's literally in the link at the top of the page.

"Even if the impossible happened and we all switched to EVs overnight, we think demand would only increase by around 10 per cent. So we’d still be using less power as a nation than we did in 2002 and this is well within the range of manageable load fluctuation."

What the National Grid doesn't want is 30 million EVs plugging in between 6pm and 8pm and demanding 7kW each. That's the main challenge which needs to be overcome; how do you manage and shift this demand, without causing any inconvenience for the driver. Hence, a "smart" charging network is considered vitally important.

Unless my Math is completely off our yearly consumption of fuel is 500 TWh using diesel as the base. We produced 2220 TWh in 2014 across the UK. That's 22% of what we produced in 2014
 
Unless my Math is completely off our yearly consumption of fuel is 500 TWh using diesel as the base. We produced 2220 TWh in 2014 across the UK. That's 22% of what we produced in 2014
Can you share the math, i am sure National Grid would not public an article on their own site which did not reflect accurate figures..?
 
I think I get it. If all cars ran on Diesel, we'd use the equivalent of 500TWh of the stuff? Ergo, we need 500TWh of electricity?

Problem is, it doesn't really work like that.

1kWh of electricity contains 3.6 Megajoules of energy. Keeping the numbers simple, it therefore takes 1.2 Megajoules to move an EV one mile.

1 gallon of Diesel contains 155 Megajoules of energy. So around 2.6 Megajoules per mile.

So it takes 2.17x the energy to move the Diesel car (largely due to the amount of waste energy during combustion). That's why you've got a figure that's 2.2x that of the National Grid's.
 
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I think what he is trying to say that 1l of diesel = 10kwh therefore if you multiple that by the UKs total diesel consumption you get a huge energy need.

what he has failed to recognise is that an EV is several orders of magnitude more efficient.

Edit: too slow...

It’s worth pointing out again that outside of 5pm and 8pm the grid has a huge unused generation capacity. EVs will actually help balance the grid outside of peek times and make it easier and cheaper to manage.
 
I think what he is trying to say that 1l of diesel = 10kwh therefore if you multiple that by the UKs total diesel consumption you get a huge energy need.

what he has failed to recognise is that an EV is several orders of magnitude more efficient.

Edit: too slow...

It’s worth pointing out again that outside of 5pm and 8pm the grid has a huge unused generation capacity. EVs will actually help balance the grid outside of peek times and make it easier and cheaper to manage.

A diesel can go 15 miles roughly on a liter of fuel. A comparable Nissan leaf can go around 30 to 10kwh.

So even though it is double that is still 250 TWh of electricity needed to replace all fuel used in the uk for one year. That is still a hell of a lot. That's also presuming the scaling is the same when you take into account lorries etc.

I also mis-read. 2.2k TWh was total energy used by the UK in 2014. Only circa 325TWh was electricity production!
 
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That's also assuming efficiency gets no better in the next 15 years, and assuming that there are still as many cars being used in 15 years, and assuming that local/home generation does not increase (solar/wind etc.) and assuming that assumptions are all assumed and that is assuming that we assume that assumptions are made about some assumption and...
 
That's also assuming efficiency gets no better in the next 15 years, and assuming that there are still as many cars being used in 15 years, and assuming that local/home generation does not increase (solar/wind etc.) and assuming that assumptions are all assumed and that is assuming that we assume that assumptions are made about some assumption and...

Population is only going one way and unless the government caps it. Car ownership will go up as well.
 
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