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Elon states his position on climate change
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2023-08-28 at 1:56 PM UTC
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2023-08-28 at 2:07 PM UTC
Originally posted by Meikai I think the argument in favor of electric cars even if the grid is powered by fossil fuels is that it's an efficiency game: stationary power plants are generally more efficient at extracting energy from a given fossil fuel source than their mobile counterparts.
the logistics of efficiently getting that power to the cars, or at all, are a big question there though
1. unladen range is what, 500km? we'd need to deploy charging stations in a grid across all major roadways, similar to petrol stations but closer, with much thinner margins and completely from scratch
2. most electric cars charge at 5-20kW for hours at a time; Tesla's trying to bring in a 250kW fast charge. think of 20 or so people on a street coming home from work at roughly the same time and putting their cars on charge - the amount of thick copper alone that'd need to be upgraded to cope with that volume of power is insane, let alone the switching equipment and regulation, thermal protection etc.
3. they're heavily dependent on lithium and exotic metals which are rare, strategic and energy intensive to mine/produce, and most of them can't be recycled. the vehicles may run 'clean' but they're certainly not clean to produce. there's also the question of how much demand for those materials can be satisfied by current productionThe following users say it would be alright if the author of this post didn't die in a fire! -
2023-08-28 at 2:12 PM UTCElectric cars are in their infancy...for maturity to occur the child has to first learn to walk, get an education and have sex for the first time...until then they are going to be fairly inefficient.
The same growing pains occurred with the internal combustion powered car. -
2023-08-28 at 2:14 PM UTC
"I say Curuthers, walk a bit quicker will you!"
"Mow the fucker down Stanley"The following users say it would be alright if the author of this post didn't die in a fire! -
2023-08-28 at 2:29 PM UTC
Originally posted by Meikai I think the argument in favor of electric cars even if the grid is powered by fossil fuels is that it's an efficiency game: stationary power plants are generally more efficient at extracting energy from a given fossil fuel source than their mobile counterparts.
electricity generation from fossil fuel and transmission is the least efficient form of energy generation and transfer.
a powerplant that has an X capacity will have to burn an X amount of fossil fuel per hour per day no matter how much electricity is consumed per day, it might burn more, but not less han their rated capacity even if the amount of electricity consumed is way way under their rated capacity.
and power transmission involves lots of losses through stepping up-ing and downing the voltages through transformers. transformers generate loads of heat thar are simply discarded into the air.The following users say it would be alright if the author of this post didn't die in a fire! -
2023-08-28 at 2:29 PM UTC
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2023-08-28 at 2:31 PM UTC
Originally posted by Jiggaboo_Johnson Electric cars are in their infancy…for maturity to occur the child has to first learn to walk, get an education and have sex for the first time…until then they are going to be fairly inefficient.
The same growing pains occurred with the internal combustion powered car.
his point being this earth doesnt have enough copper mined or unmined, to produce the quantity of wires needed to electrify an entire city of electric cars. -
2023-08-28 at 2:34 PM UTC
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2023-08-28 at 2:36 PM UTCdid you fuys see on no agenda apparently in netherlands all the electric cars being plugged in at the same time shitfucked the grid
it creates way more of a BOOOST than when everyone turns on their lights and coffee maker in the morning and showers, just plugging in electric cars at a certain amount overloads the grid
The following users say it would be alright if the author of this post didn't die in a fire! -
2023-08-28 at 4:21 PM UTC
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2023-08-28 at 4:22 PM UTC
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2023-08-28 at 4:23 PM UTC
Originally posted by vindicktive vinny his point being this earth doesnt have enough copper mined or unmined, to produce the quantity of wires needed to electrify an entire city of electric cars.
Are you assuming copper wire is the only way to do conduct electricity...Telsa would be turning in his grave! -
2023-08-29 at 5:39 AM UTC
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2023-08-29 at 5:40 AM UTC
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2023-08-29 at 7:50 AM UTC
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2023-08-29 at 12:03 PM UTC
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2023-08-29 at 12:05 PM UTC
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2023-08-29 at 12:35 PM UTC
Originally posted by Jiggaboo_Johnson "A carbon nanotube product could replace copper in everything from wires to wind turbines".
Stay in school kid.
conductivity is way lower than copper, has questionable durability (ie. damaging the microstructure affects conductivity) and building a nm-scale material is never going to be anywhere near as efficient as strip mining copper for millions of kilometres of wire
it might be useful in special circumstances where weight is a factor but not for large-scale stuff -
2023-08-29 at 12:52 PM UTCIt's very useful when copper runs out
"Carbon nanotubes can exhibit remarkable properties, such as exceptional tensile strength and thermal conductivity because of their nanostructure and strength of the bonds between carbon atoms. Some SWCNT structures exhibit high electrical conductivity while others are semiconductors."
You can also use aluminum as a replacement for copper wire. -
2023-08-29 at 3 PM UTC
