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|    alt.engineering.electrical    |    Electrical engineering discussion forum    |    2,548 messages    |
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|    Message 2,452 of 2,548    |
|    Dimitris Tzortzakakis to All    |
|    Re: 3 more inconvenient facts about elec    |
|    11 Jan 23 21:26:19    |
      From: noone@nospam.com              Στις 11/1/2023 6:01 μ.μ., ο/η Dimitris Tzortzakakis έγραψε:       > Στις 8/1/2023 9:51 μ.μ., ο/η Leroy N. Soetoro έγραψε:       >> https://dailyangle.com/articles/3-more-inconvenient-facts-about-electric-       >> cars       >>       >> Politicians praise electric cars. If everyone buys them, they say, solar       >> and wind power will replace our need for oil.       >>       >> But that's absurd.       >>       >> Here is the rest of my list of "inconvenient facts" about electric cars.       >>       >> "The future of the auto industry is electric," says President Joe Biden.       >> He assumes a vast improvement in batteries. Better batteries are crucial       >> because both power plants and cars need to store lots of electric power.       >>       >> But here's inconvenient fact 3: Batteries are lousy at storing large       >> amounts of energy.       >>       >> "Batteries leak, and they don't hold a lot," says physicist Mark Mills.       >>       >> Mills thinks electric cars are great but explains that "oil begins with a       >> huge advantage: 5,000% more energy in it per pound. Electric car       >> batteries       >> weigh 1,000 pounds. Those 1,000 pounds replace just 80 pounds of       >> gasoline."       >>       >> But future batteries will be better, I point out.       >>       >> "Engineers are really good at making things better," Mills responds, "but       >> they can't make them better than the laws of physics permit."       >>       >> That's inconvenient fact 4. Miracle batteries powerful enough to replace       >> fossil fuels are a fantasy.       >>       >> "Because nature is not nice to humans," explains Mills, "we store energy       >> for when it's cold or really hot. People who imagine an energy transition       >> want to build windmills and solar panels and store all that energy in       >> batteries. But if you do the arithmetic, you find you'd need to build       >> about a hundred trillion dollars' worth of batteries to store the same       >> amount of energy that Europe has in storage now for this winter. It would       >> take the world's battery factories 400 years to manufacture that many       >> batteries."       >>       >> Politicians don't mention that when they promise every car will be       >> electric. They also don't mention that the electric grid is limited.       >>       >> This summer, California officials were so worried about blackouts they       >> asked electric vehicle owners to stop charging cars!       >>       >> Yet today, few of California's cars are electric. Gov. Gavin Newsom       >> ordered that all new cars must be electric by 2035! Where does he think       >> he'll get the electricity to power them?       >>       >> "Roughly speaking, you have to double your electric grid to move the       >> energy out of gasoline into the electric sector," says Mills. "No one is       >> planning to double the electric grid, so they'll be rationing."       >>       >> Rationing. That means some places will simply turn off some of the power.       >> That's our final inconvenient fact: We just don't have enough electricity       >> for all electric cars.       >>       >> Worse, if (as many activists and politicians propose) we try to get that       >> electricity from 100% renewable sources, the rationing would be deadly.       >>       >> "Even if you cover the entire continent of the United States with solar       >> panels, you wouldn't supply half of America's electricity," Mills points       >> out.       >>       >> Even if you added "Washington Monument-sized wind turbines spread over an       >> area six times greater than the state of New York, that wouldn't be       >> enough."       >>       >> This is just math and physics. It's amazing supposedly responsible people       >> promote impossible fantasies.       >>       >> "It's been an extraordinary accomplishment of propaganda," complains       >> Mills, "almost infantile ... distressing because it's so silly."       >>       >> Even if people invent much better cars, wind turbines, solar panels,       >> power       >> lines and batteries, explains Mills, "you're still drilling things,       >> digging up stuff. You're still building machines that wear out. … It's       >> not       >> magical transformation."       >>       >> Even worse, today politicians make us pay more for energy while       >> forcing us       >> to do things that hurt the environment. Their restrictions on fossil       >> fuels       >> drive people to use fuels that pollute more.       >>       >> In Europe: "They're going back to burning coal! What we've done is have       >> our energy systems designed by bureaucrats instead of engineers,"       >> complains Mills. "We get worse energy, more expensive energy and higher       >> environmental impacts!"       >>       >> I like electric cars. But I won't pretend that driving one makes me some       >> kind of environmental hero.       >>       >> "There'll be lots more electric cars in the future," concludes Mills.       >> "There should be, because that'll reduce demand for oil, which is a good       >> thing. But when you do the math, to operate a society with 5 or 6 billion       >> people who are living in poverty we can't imagine, when you want to give       >> them a little of what we have, the energy demands are off the charts big.       >> We're going to need everything."       >>       >> That includes fossil fuels.       >>       >> Every Tuesday at JohnStossel.com, Stossel posts a new video about the       >> battle between government and freedom.       >>       >> SUPPORT TRUTHFUL JOURNALISM. MAKE A DONATION TO THE NONPROFIT WND NEWS       >> CENTER. THANK YOU!       >>       >> The post 3 more inconvenient facts about electric cars appeared first on       >> WND.       >>       > condition could be even worse. let's assume that Crete (the island where       > I live in in southern Greece) has 500,000 cars (it has almost 500,000       > inhabitants). The worst case scenario is that all cars would charge at       > the same time. Thus 500,000 * 11 kW =5,5 GW. With an efficiency factor       > of 50 % that would make 11 GVA, with a reactive power of 5,5 GVAr!!!       > The peak power in Crete is 800 MW in summer with all power stations       > working round the clock full throttle, and all wind turbines       > photovoltaics etc. I have noticed that despite the wind turbines etc.       > the power station of Linoperamata (very near the city I live) is working       > full throttle with the oldest unit commisioned in 1966!! and burning       > mostly heavy fuel (mazut) and diesel for the gas turbines. and despite       > the wind turbine hype electricity is as expensive as ever. so that would       > need an 1000 % grow in the grid!! 10 times as much!! the peak of       > continental Greece is ¬10 GW with much more possible sources of       > generation (lignite, hydro, natural gas, imports from other countries       > etc.).       >       what's more about batteries-a mobile phone battery stores Wh. A car       battery stores kWh. A truck (!!!) battery or a railway locomotive (!!)       would store MWh. a million times that of a mobile phone!! And in grid              [continued in next message]              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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