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originally posted by: gladtobehere
Are electric cars really "better for the environment"? Do they help to reduce our "dependency" on "foreign oil"?
originally posted by: markovian
Las vegas some of calie Arizona all on hydro from the hoover dam we will probly see more hydro in the future why it's profitable when u don't have to pay for the energy
originally posted by: AMPTAH
Electric cars are much worse than gasoline cars.
Nobody is thinking about the pollution caused by extracting the special "rare earth" ores required for the batteries used in electric vehicles. As long as there are just "a few" electric cars on the road, it's not much of a problem. But, when electric vehicles become as ubiquitous as gasoline vehicles are today, then you'll see a big change in the pollution effect. Just ask those countries where "rare earths" are being mined today, about the pollution caused from mining. And then there's the "disposal" of all those batteries with rare earth pollutants into the landfills.
originally posted by: Edumakated
originally posted by: GiulXainx
This is why the push for green energy is so forceful. Especially when it comes to the democratic presidential campaigners.
Our goal is to do away with coal, and natural gas (fossil fuels) all together and make the move toward wind, tidal, and solar energy.
Everyone keeps trying to evade this issue saying "We won't have enough power for our cities!"
This happens time and time again. But the real problem is people not willing to enhance, study, or experiment with it. At least not on a scholar scale. A lot of people have lost interest in it since it does not provide them a job as soon as they graduate.
And if you are having trouble believing in these three categories remember. We didn't believe in school that we would ever have smart phones. Everyone who was born in the 1970's til the 1990's knows we did not have smart phones AT ALL. Then all of the sudden we have them.
Stop trying to ignore green energy.
If green energy is viable, then the free market will develop it. The reason it hasn't taken off is because the cost relative to the effectiveness is simply not there for the vast majority of folks.
originally posted by: TonyS
a reply to: gladtobehere
I've read through the comments after reading your OP and I'm of the mind that as time goes by, there will an ever increasing push to build renewable energy facilities that will come to reduce dependence upon fossil fuels. In some respects that's already happening. But to understand the electric car phenomenon, you have to look at the entire big picture.
What you discover when you look at the bigger picture is that the planners in charge of all this and their political minions are working to build a future where the use of owned, personal transportation is severely reduced. Only the 1% will have Tesla automobiles. The rest will be reduced to public transportation, Uber, Lyft, or totally automated self-driving cars that will come to replace Uber & Lyft, (ironic that).
There are enormous benefits to the Elites in charge in ending personal transportation; it lends them unimaginable control over the commoners and makes the total centralized control of the economy much more feasible.
Of course this is all being facilitated by the Global Climate change agenda, so, yea, I get your OP, but.....you can't fight the future. Invest in Tesla and WIN!
originally posted by: ANNED
One thing people don't understand is for every KW of power from the grid you put into batteries of the electric car you only get around 1/2 KW to the wheels.
You have a power loss of around 50% in charging and running the motors of a electric car.
And its even more if you turn on the car heater or AC.
originally posted by: Pilgrum
Just a quick estimate or two here:
Assume the average electric car in daily use consumes 50kWh of energy per day so, if the proposal is to supply that from individual household solar installations, the roof of each house needs to generate at least 50kWh each day with a reliable 8 hours of strong sunlight. That means a minimum 6kW+ solar installation and the car needs to be plugged in all day, only driven at night otherwise the solar installation needs to be much larger than that (larger than the average roof can accommodate).
So the reality is that a mass uptake of electric vehicles to replace IC vehicle represents a huge increase in demand on energy from the grid and 'green' sources like wind and solar are only a small token contribution with the bulk being additional demand on fossil and nuclear sources.
How many vehicles in regular daily use in your local city?
multiply that number by 50kWh to get an idea of how much extra daily generation is required to 'fuel' them all.
Even getting the individual demand down to 50% ( less than 25kWh) results in a huge increase.
The electric vehicle only 'feels green' because you don't immediately see the pollution they produce.