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How Clean Are Electric Cars? Depends on the State

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Posted on Jul 19, 2010
Tesla Motors

With high-profile deals, expanding infrastructure and a growing list of models, the electric car is finally arriving, but, as they say, your mileage may vary. Charge that Tesla Roadster in Georgia, where they burn coal to power the grid, and you may as well be driving a Prius.

Still, even the dirtiest power plant is generally more efficient than the internal combustion engine.  —PZS

San Francisco Chronicle:

The amount of greenhouse gas emissions saved by electric cars varies widely from state to state. California’s grid is relatively carbon-free, drawing 14.4 percent of its electricity in 2008 from nuclear plants, 11 percent from large hydroelectric dams and 10.6 percent from renewable sources such as geothermal plants and wind farms, according to the California Energy Commission. More than 45 percent of the state’s electricity comes from burning natural gas, which produces less carbon dioxide than coal.

Many states in the Midwest or Southeast, however, rely heavily on coal. There, electric cars will still produce fewer emissions than gasoline vehicles, but the difference won’t be as great.

“A Tesla in Georgia would give you about the same greenhouse gas emissions as a good Prius,” Hwang said, referring to Toyota’s popular hybrid car. “You’re not going backward, but you’re only doing as well as a Prius.”

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By Auto Parts, March 15, 2012 at 1:21 am Link to this comment

I think it will make more sense to market the environmental benefits of the electric car in states that use cleaner energy, such as California. If people were aware of how their cars are being charged, people in the south would see no point in buying hybrids if it did not have significant carbon-benefits.

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By Auto Parts, December 18, 2011 at 8:56 pm Link to this comment

For the really environmentally conscious people, the performance of the electric car would matter a lot. If staying in a state which does not rely on cleaner sources of energy, using a top of the line electric car may not give the desired advantages in carbon reduction.

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By Micheal, May 6, 2011 at 9:44 pm Link to this comment

Electric cars is better than regular used cars. Because its running on batteries & its doesn’t require any oil. Few disadvantage having in electric cars like its limit of driving distance. But in future automaker find out solution on that problems.

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By Micheal, May 6, 2011 at 9:39 pm Link to this comment

Nice post!I think, automaker industries increase their electric cars production. Because its doesn’t require any oils, Its running on batteries.

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By rico, suave, July 21, 2010 at 1:58 pm Link to this comment

diman:

I agree wholeheartedly that the “green” bandwagon is a hilarious contraption. It’s a Madison Avenue PR ploy, pure and simple.

As I said previously, our energy consumption will be best controlled by price, not government mandate. If government gets involved in price via taxes or other regulation, so be it. But price rules.

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By diman, July 21, 2010 at 12:52 pm Link to this comment

rico,suave

“Too many people here think that since Green is the way to go, ALL people should be forced to go Green.”

But what does it mean “Going Green”? So far the “best attempt” at going green was made in my home country of Canada, they added a little bit of green colorant into the feeding bunker of a thermoplast machine that makes plastic bags for the giant grocery stores,(you wanted green lifestyle, here it is) and the grocery stores started charging 5 cents per bag. Now here is corporate hypocrisy at its height, we are paying now for what once used to be free and recycled by the way, for those of you who didn’t know, plastic bags are made of an already recycled material it is usually a byproduct of some bigger polymer manufacturing process. Another GREEN corporate scheme.

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By rico, suave, July 21, 2010 at 9:23 am Link to this comment

so…right:

“Do what you want. Believe what you want. I’m a Realist not a Capitalist or Socialist. I’m planning and working toward a low energy lifestyle.”

That’s the ticket! You sound like you’re for freedom. Too many people here think that since Green is the way to go, ALL people should be forced to go Green. The hypocrisy is that, while they warn about the evils of Corporate slavery and coercion, they merely want to replace it with Government slavery and coercion.

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By knobcreekfarmer, July 21, 2010 at 8:49 am Link to this comment

I agree with diman, people are not all stupid lemmings. Some have vision. Some are greedy and run the planet. diman is also correct in that there are hundreds of gallons of oil in even the most green car despite what it runs on. As I said, why is it we put so much time/effort/energy (literally) into keeping all the cars running? Is there not any other way to live??

Rico, I don’t think Capitalist or Socialist systems will work with the level of complexity this world, or at least the developed world, has evolved to. We are basically slaves to the Corporate machines that rapes and pillages the world for natural resources disregarding the health of people and nature in the process. Then they rape and pillage “We the People” for every last drop of useful work energy, every last dime saved all while telling us through the marvels of PR that this is really what we desire.

You are correct in that all this is not a grand conspiracy keeping us addicted. It is however completely greed driven and most everyone has some level of greed that drives them to want more, more, more. Thereby fueling the life killing process called the enlightened industrial world.

While it is true that wind/solar/hydro will likely never compete with oil/gas/coal in price, mostly due to the amount of oil/gas/coal it takes to make and maintain wind/solar/hydro, it will never replace oil/gas/coal in the shear volume of usable net energy. And that really sucks… It is that level of energy that built this industrial world. I’ve read that the industrial world’s use of oil/gas/coal is like having a billion slaves working around the clock just for us.

Really, man should no longer be classified as Homo sapiens. Rather we should be “Homo colossus.” We wield such power and utter destruction with the oil/gas/coal powered machines and technology we have at our fingertips.

The caveat to all this is of course that the world is at peak oil, peak coal, peak (insert almost any natural resource needed for modern life). They are not years and years away like the PR spin would have us believe. There is no denying it anymore. We can cheer for the ultra cool electric car but the realities on the ground are that it will only be the ultra rich and most powerful that get to drive in the not too distant future.

Do what you want. Believe what you want. I’m a Realist not a Capitalist or Socialist. I’m planning and working toward a low energy lifestyle. If I’m wrong and the Climate Change deniers and energy companies are right then all I’ve done is save money and lived a life to my liking unlike a lot of people…

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By diman, July 21, 2010 at 6:04 am Link to this comment

Big B:

“Most humans will do nothing without being led or prompted. That’s what government is for.”

Absolute bullshit, and you know it Big B, so why say something you know is bullshit. I’m appaled to see people agreeing with this statement.

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By diman, July 21, 2010 at 5:59 am Link to this comment

There are gallons of oil in every tire, in every plastic part, in every drop of paint and finish of any car and electric one is not an exception, so what is GREEN about them??? I rest my case.

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By rico, suave, July 21, 2010 at 5:38 am Link to this comment

Big B:

“Most humans will do nothing without being led or prompted. That’s what government is for.”

Your first sentence is dead on correct.

Your second sentence perfectly defines the difference between capitalists and socialists. Capitalists believe that the marketplace will “prompt” behavior. Socialists believe that government is the best agent of change.

It’s not a world conspiracy which has us addicted to oil/gas/coal. It’s price. When wind/solar/hydro becomes cheaper, people will flock to it. Pure and simple. No nefarious plutocrat/politician conspiracy required.

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By PatrickHenry, July 20, 2010 at 3:58 pm Link to this comment

As long as the car is completely recyclable, it is a step in the right direction, I’m sure follow on technology will make up the 1st edition prototypes shortcommings over the next several years.

Federal legislation regarding fleet vehicle usage such as the Post Office, should specify alternative fuel vehicle purchase for the U.S. government fleet that would encourage private sector growth in the service stations to provide those alternative energies to fuel them.

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By ralph, July 20, 2010 at 9:15 am Link to this comment
(Unregistered commenter)

Serious energy questions here. But even more serious is the human energy efficiency. It is quite low and thus is a contributor to increasing average global temperature.

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By knobcreekfarmer, July 20, 2010 at 5:52 am Link to this comment

Why is it we always are looking for ways to keep the cars going? Is there not any
other possible alternatives to that?

There are two critical factors never talked about in the context of how great
electric cars are. 1. Air conditioning. 2. Heat/defrost. Without the power of oil AC
and heat will eat up your battery capacity almost as fast than driving the damn
thing. They may be just dandy if you live in southern California where the weather
is perfect but just about everywhere else… expect far shorter range with the AC /
Heat on.

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By Big B, July 20, 2010 at 5:07 am Link to this comment

I have always thought that we have literally put the car(t) before the horse, for if we build electric cars before we upgrade our power grid to green tech, it will just prove to shuffle the carbon output from one source to another.

How’s this, states should require that all new construction, both commercial and residential, be completely green through a combo of wind, solar, and geothermal. Sure it will cost a little more at first (upgrading to green will always have a back end benefit) But lets face it, if we would just downsize the average american home from 2200 square feet to 1600-1800, the cost would offset almost immedietly.

Most humans will do nothing without being led or prompted. That’s what government is for.

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