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JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238
The point is that the average fleet emissions policies governments are adopting in assuming EVs have zero emissions and giving super credits means that ICEs on the fleet can have higher emissions. If we want to genuinely get vehicle CO2 emissions down it would be better if EVs lifetime emissions (and ICE lifetime emissions for that matter) were used.This produces the ridiculous situation have that ICE manufacturers can buy EV credits from pure EV manufacturers rather than cut their own emissions.Most scientific research is funded by some party. Are we to limit science to funding from ideologically approved sources? I suspect the answer from some people would be YES.
In fact it's probably more effective as it has to offend investors that they're paying a competitor because they can't do it.8kW (4kW WNW, 4kW SSE) 6kW inverter. 6.5kWh battery.1 -
JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238This study was supported by the Aramco Services Company and the U.S. Department of EnergyIt's a deliberately very narrow study, it's also based on the IEAs predictions of energy breakdown which are famously bad.
A case for the internal combustion engine powered vehicle
8kW (4kW WNW, 4kW SSE) 6kW inverter. 6.5kWh battery.2 -
JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238This study was supported by the Aramco Services Company and the U.S. Department of EnergyIt's a deliberately very narrow study, it's also based on the IEAs predictions of energy breakdown which are famously bad.
A case for the internal combustion engine powered vehicle
The two great failures of the paper however are:
1. It has not adequately addressed the prospective change in electricity generation from carbon to renewables. It pretty much assumes there will be no change in the current mix. I think everyone on these boards understands the basic fact that EVs will only be beneficial when accompanied by a move away from carbon based electricity.
2. It is also advocating that bio-fuels support the case for the ICE but does not consider the practicalities of this on a global scale. (I'm sure I read somewhere that to achieve the levels needed food production would be woefully inadequate).
I would love to know who has sponsored this paper. I can find little evidence to verify the credibility of the authors, although I did find a paper on developing the bio-fuel industry in Africa. I cannot find evidence of which peers reviewed this paper. Currently neither the credibility of the authors or the content of the paper are convincing.
Install 28th Nov 15, 3.3kW, (11x300LG), SolarEdge, SW. W Yorks.
Install 2: Sept 19, 600W SSE
Solax 6.3kWh battery2 -
Exiled_Tyke said:JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238This study was supported by the Aramco Services Company and the U.S. Department of EnergyIt's a deliberately very narrow study, it's also based on the IEAs predictions of energy breakdown which are famously bad.
A case for the internal combustion engine powered vehicle
The two great failures of the paper however are:
1. It has not adequately addressed the prospective change in electricity generation from carbon to renewables. It pretty much assumes there will be no change in the current mix. I think everyone on these boards understands the basic fact that EVs will only be beneficial when accompanied by a move away from carbon based electricity.
2. It is also advocating that bio-fuels support the case for the ICE but does not consider the practicalities of this on a global scale. (I'm sure I read somewhere that to achieve the levels needed food production would be woefully inadequate).
I would love to know who has sponsored this paper. I can find little evidence to verify the credibility of the authors, although I did find a paper on developing the bio-fuel industry in Africa. I cannot find evidence of which peers reviewed this paper. Currently neither the credibility of the authors or the content of the paper are convincing.8kW (4kW WNW, 4kW SSE) 6kW inverter. 6.5kWh battery.3 -
Exiled_Tyke said:JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238This study was supported by the Aramco Services Company and the U.S. Department of EnergyIt's a deliberately very narrow study, it's also based on the IEAs predictions of energy breakdown which are famously bad.
A case for the internal combustion engine powered vehicle
The two great failures of the paper however are:
1. It has not adequately addressed the prospective change in electricity generation from carbon to renewables. It pretty much assumes there will be no change in the current mix. I think everyone on these boards understands the basic fact that EVs will only be beneficial when accompanied by a move away from carbon based electricity.
2. It is also advocating that bio-fuels support the case for the ICE but does not consider the practicalities of this on a global scale. (I'm sure I read somewhere that to achieve the levels needed food production would be woefully inadequate).
I would love to know who has sponsored this paper. I can find little evidence to verify the credibility of the authors, although I did find a paper on developing the bio-fuel industry in Africa. I cannot find evidence of which peers reviewed this paper. Currently neither the credibility of the authors or the content of the paper are convincing.I try and post stuff that has some merit usually putting across an alternative point of view that perhaps hadn’t been considered. I thought the paper about government policies promoting EVs was interesting because it seemed to suggest that the policy of combining ICE and EV emissions could be detrimental to CO2 emissions, allowing some manufacturers like JLR who buy credits from Tesla to continue making high CO2 emitting cars. Without those credits they would be forced to make lower emission ICEVs.This forum needs to be more than a channel churning out pro RE press releases and shouting down any one who puts forward an alternative point of view. It also needs to be less tribal, less cult like less insecure, perhaps. EVs and RE are here to stay. Fossil fuels are on the way out so why does everyone get so up set if a downside to a particular RE technology is mentioned? No technology is perfect, they all have pros and cons. It’s good to hear both sides (or rather to most people it is). I welcome reasoned argument in response to something I post but when a contributor ascribes a totally different interpretation eg that “EVs are bad” when nothing like that has been suggested or falls back on the old cliche that it is the oil industry up to its tricks again and then gets multiple thanks it just demeans the whole forum.Northern Lincolnshire. 7.8 kWp system, (4.2 kw west facing panels , 3.6 kw east facing), Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner)0 -
ABrass said:JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238This study was supported by the Aramco Services Company and the U.S. Department of EnergyIt's a deliberately very narrow study, it's also based on the IEAs predictions of energy breakdown which are famously bad.
A case for the internal combustion engine powered vehicle
Northern Lincolnshire. 7.8 kWp system, (4.2 kw west facing panels , 3.6 kw east facing), Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner)0 -
Let's not just focus on gg emissions. ICEVs can never be clean.
EVs reduce pollution from brake and tyres
EVs reduce particle pollution
EVs eliminate all toxic emissions from engines
Emissions from brakes and tyres must be regulated
4.7kwp PV split equally N and S 20° 2016.Givenergy AIO (2024)Seat Mii electric (2021). MG4 Trophy (2024).1.2kw Ripple Kirk Hill. 0.6kw Derril Water.Whitelaw Bay 0.2kwVaillant aroTHERM plus 5kW ASHP (2025)Gas supply capped (2025)1 -
Exiled_Tyke said:What a terrible paper this is. Statements such as "The erroneous idea of saying that electric vehicles are free of greenhouse gas emission needs to be dealt away with" indicate the level of bias. I haven't met anyone who has made such a claim.
This is promoted by Government:
https://www.gov.uk/government/organisations/office-for-zero-emission-vehicles
https://www.gov.uk/vehicle-tax-rate-tables
Campaign groups:
https://www.theclimategroup.org/our-work/resources/taking-action-zero-emission-vehicles-united-kingdom
Manufacturer claims:
https://www.electricdrives.tv/post/bmw-show-the-world-their-latest-ix-zero-emission-electric-car
Press:
https://businessmotoring.co.uk/government-announces-zev-strategy/
To be honest, for most of the public, I suspect they aren't that interested - the focus is on what the car costs them and do they like the car. Whether the car is "zero-emissions" or "zero tailpipe emissions" is a finesse that does not matter. It must be good because the VED rate is £nil and there was a discount from the Government to buy the car (is that still available?). Thinking a step away that "zero emissions" depends on the way the electricity is generated is a complexity many people simply won't think about. Consideration of embedded energy / emissions in the build of the car and even embedded impact of the solar panels that actually allow a car to operate with zero emissions is really outside what the vast majority of people will think about when making their choice of car.
So, considering all the above, I think the claim that "EV's are free of greenhouse gas emissions" is so widespread and common place as to be prevailing viewpoint in the current time.
There are occasionally comments that challenge the norm:
https://www.autoexpress.co.uk/opinion/354671/electric-cars-have-zero-emissions-we-must-consider-how-we-generate-electricity-them
There may even be hope. It was once the prevailing viewpoint that the Earth is flat.1 -
Grumpy_chap said:Exiled_Tyke said:What a terrible paper this is. Statements such as "The erroneous idea of saying that electric vehicles are free of greenhouse gas emission needs to be dealt away with" indicate the level of bias. I haven't met anyone who has made such a claim.
This is promoted by Government:
https://www.gov.uk/government/organisations/office-for-zero-emission-vehicles
https://www.gov.uk/vehicle-tax-rate-tables
Campaign groups:
https://www.theclimategroup.org/our-work/resources/taking-action-zero-emission-vehicles-united-kingdom
Manufacturer claims:
https://www.electricdrives.tv/post/bmw-show-the-world-their-latest-ix-zero-emission-electric-car
Press:
https://businessmotoring.co.uk/government-announces-zev-strategy/
To be honest, for most of the public, I suspect they aren't that interested - the focus is on what the car costs them and do they like the car. Whether the car is "zero-emissions" or "zero tailpipe emissions" is a finesse that does not matter. It must be good because the VED rate is £nil and there was a discount from the Government to buy the car (is that still available?). Thinking a step away that "zero emissions" depends on the way the electricity is generated is a complexity many people simply won't think about. Consideration of embedded energy / emissions in the build of the car and even embedded impact of the solar panels that actually allow a car to operate with zero emissions is really outside what the vast majority of people will think about when making their choice of car.
So, considering all the above, I think the claim that "EV's are free of greenhouse gas emissions" is so widespread and common place as to be prevailing viewpoint in the current time.
There are occasionally comments that challenge the norm:
https://www.autoexpress.co.uk/opinion/354671/electric-cars-have-zero-emissions-we-must-consider-how-we-generate-electricity-them
There may even be hope. It was once the prevailing viewpoint that the Earth is flat.
“It is not inadvertent or an isolated day that EVs contribute to CO2 emissions, they do that every single time we charge them”
it was not well received.
My car is fine though as it says “zero emissions” on the side.Northern Lincolnshire. 7.8 kWp system, (4.2 kw west facing panels , 3.6 kw east facing), Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner)0 -
Exiled_Tyke said:JKenH said:ABrass said:JKenH said:
Taking into account greenhouse gas emissions of electric vehicles for transportation de-carbonization
Scientific paper which reaches an interesting conclusion. You will need to read the paper to fully understand why.The preferential plug-in electric vehicle (PEV) treatments in existing light-duty vehicle (LDV) fuel consumption and greenhouse gas (GHG) emissions regulations were intended to help jump-start PEV production and market deployment. They have certainly served that purpose, but at the price of increased GHG emissions. We estimate that the preferential treatments in terms of the PEV dilution and leakage effects result in a GHG emissions increase of 1094 million tonnes of CO2eq associated with LDVs sold in 2012–2025 in China, the U.S., and the EU.
https://www.sciencedirect.com/science/article/pii/S0301421521002238This study was supported by the Aramco Services Company and the U.S. Department of EnergyIt's a deliberately very narrow study, it's also based on the IEAs predictions of energy breakdown which are famously bad.
A case for the internal combustion engine powered vehicle
“It is not inadvertent or an isolated day that EVs contribute to CO2 emissions, they do that every single time we charge them.”
As @Grumpy_chap says, this misconception might be more widespread than you realise.
Northern Lincolnshire. 7.8 kWp system, (4.2 kw west facing panels , 3.6 kw east facing), Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner)0
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