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[TheVerge]Image of Tesla's electric semi truck surfaces[Update] - Page 3

post #21 of 163
Quote:
Originally Posted by CynicalUnicorn View Post

[citation needed]

Solar and wind are a lot cheaper than fossil fuels, and solar in particular is getting better at a ridiculous rate. Remember that, odds are, your government subsidizes the price of fossil fuels. That's taxpayer dollars they're spending, paid by you, which means the price per kWh of carbon-based power is a bit higher than your bill says.

I'm unsure about the the rest of the world. But coal and natural gas are the main producers of power in the US.

https://www.eia.gov/electricity/data/browser/#/topic/0?agg=2,0,1&fuel=vvg&geo=g&sec=g&linechart=ELEC.GEN.ALL-US-99.M~ELEC.GEN.COW-US-99.M~ELEC.GEN.NG-US-99.M~ELEC.GEN.NUC-US-99.M~ELEC.GEN.HYC-US-99.M&columnchart=ELEC.GEN.ALL-US-99.M~ELEC.GEN.COW-US-99.M~ELEC.GEN.NG-US-99.M~ELEC.GEN.NUC-US-99.M~ELEC.GEN.HYC-US-99.M&map=ELEC.GEN.ALL-US-99.M&freq=M&start=200101&end=201707&ctype=linechart&ltype=pin&rtype=s&maptype=0&rse=0&pin=
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post #22 of 163
Quote:
Originally Posted by Ghoxt View Post

Probably not enough Hydroelectric dams either.

dams has strict terrain requirements, things like sturdy mountainous zones that doesn't erode or break from the water pressure, and the enormous geographical change they cause.
post #23 of 163
Quote:
Originally Posted by Megaman_90 View Post

Quote:
Originally Posted by CynicalUnicorn View Post

[citation needed]

Solar and wind are a lot cheaper than fossil fuels, and solar in particular is getting better at a ridiculous rate. Remember that, odds are, your government subsidizes the price of fossil fuels. That's taxpayer dollars they're spending, paid by you, which means the price per kWh of carbon-based power is a bit higher than your bill says.

I'm unsure about the the rest of the world. But coal and natural gas are the main producers of power in the US.

https://www.eia.gov/electricity/data/browser/#/topic/0?agg=2,0,1&fuel=vvg&geo=g&sec=g&linechart=ELEC.GEN.ALL-US-99.M~ELEC.GEN.COW-US-99.M~ELEC.GEN.NG-US-99.M~ELEC.GEN.NUC-US-99.M~ELEC.GEN.HYC-US-99.M&columnchart=ELEC.GEN.ALL-US-99.M~ELEC.GEN.COW-US-99.M~ELEC.GEN.NG-US-99.M~ELEC.GEN.NUC-US-99.M~ELEC.GEN.HYC-US-99.M&map=ELEC.GEN.ALL-US-99.M&freq=M&start=200101&end=201707&ctype=linechart&ltype=pin&rtype=s&maptype=0&rse=0&pin=
That's why there needs to be an investment in clean, renewable energy sources in tandem with the development of EV's.

Still, any non-100% of emission producing source of energy is better than ICE's 100%.
    
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post #24 of 163
Beautiful.

Driverless electric rigs need to become a thing. Not a question of if, just a question of when!
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post #25 of 163
speaking of batteries, theres the flywheel battery thats a lot more viable for this application.
they can be built extremely compact and still store massive amounts of energy without sacrificing power output and charging speed.

however its expensive to design and manufacture, requiring exotic materials and composite structures.
post #26 of 163
Can it go 1,000 miles on a single charge and top off in a few minutes to keep on trucking? Basically, if it can not go all day on a single charge it will be pretty useless outside local routes. But, local runs usually use smaller trucks anyway. So, seems pretty pointless to me. As a CDL driver...
 
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post #27 of 163
Quote:
Originally Posted by CynicalUnicorn View Post

[citation needed]

Solar and wind are a lot cheaper than fossil fuels, and solar in particular is getting better at a ridiculous rate. Remember that, odds are, your government subsidizes the price of fossil fuels. That's taxpayer dollars they're spending, paid by you, which means the price per kWh of carbon-based power is a bit higher than your bill says.

renewables as of the current moment are getting cheaper and cheaper yes, but the problem energy has as of the current moment is storage. because solar only works while the sun is up, it cannot supply the demand for after hour energy use when people who work the morning afternoon shift when they go home. As of the current moment, even states like California who have large investments into renewable have to ramp up traditional methods of energy at night. The bottleneck is storage, as its not very cost effective to use large capacity batteries yet, and water based pumped storage cannot be easily built.

As of the moment, there are very few ways to actually fix the issue. One would be getting a global grid of energy (that is places around the world with sunlight powers the side of earth that is at night) but doing that is not going to be an easy task to coordinate virtually every country in the world.
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post #28 of 163
Quote:
Originally Posted by Dudewitbow View Post

Quote:
Originally Posted by CynicalUnicorn View Post

[citation needed]

Solar and wind are a lot cheaper than fossil fuels, and solar in particular is getting better at a ridiculous rate. Remember that, odds are, your government subsidizes the price of fossil fuels. That's taxpayer dollars they're spending, paid by you, which means the price per kWh of carbon-based power is a bit higher than your bill says.

renewables as of the current moment are getting cheaper and cheaper yes, but the problem energy has as of the current moment is storage. because solar only works while the sun is up, it cannot supply the demand for after hour energy use when people who work the morning afternoon shift when they go home. As of the current moment, even states like California who have large investments into renewable have to ramp up traditional methods of energy at night. The bottleneck is storage, as its not very cost effective to use large capacity batteries yet, and water based pumped storage cannot be easily built.

As of the moment, there are very few ways to actually fix the issue. One would be getting a global grid of energy (that is places around the world with sunlight powers the side of earth that is at night) but doing that is not going to be an easy task to coordinate virtually every country in the world.

That is rapidly changing. CA has a huge concentrating collector farm just north of I-10 between Blight (Blythe; get off the freeway and drive through the town sometime and you'll see why I call it Blight) and Indio that uses molten salt energy storage. There others similar to this one elsewhere in CA and all are in operation. More are on the way.

Hawaii (or the utilities) has outlawed selling back excess home solar generation to utilities. Home battery storage systems have been developed that can store enough power for a few days if necessary. Ask This Old House recently ran a segment on this.

Elon Musk has been developing small and large scale battery storage systems, some of which are due to go online soon, if they aren't already. https://www.theverge.com/2017/3/10/14879246/elon-musk-tesla-battery-farm-australia-blackouts

More reading on solar storage:

https://www.greentechmedia.com/articles/read/todays-top-solar-developers-have-become-storage-developers-too

http://www.solarreserve.com/en/technology/molten-salt-energy-storage
     
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post #29 of 163
Quote:
Originally Posted by CynicalUnicorn View Post

Quote:
Originally Posted by Megaman_90 View Post

Electric is only as clean as what is used to produce it. Electricity is still produced mainly by burning coal. Wind turbines and solar panels can't produce enough electricity. Nuclear power is amazing but has its own host of problems obviously. Electricity isn't magic power that comes without emissions....I don't understand why people can't grasp this.

[citation needed]

Solar and wind are a lot cheaper than fossil fuels, and solar in particular is getting better at a ridiculous rate. Remember that, odds are, your government subsidizes the price of fossil fuels. That's taxpayer dollars they're spending, paid by you, which means the price per kWh of carbon-based power is a bit higher than your bill says.

Solar and wind energy is cheaper. Collecting, storing, and distributing it is not. That will change someday, however.
     
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post #30 of 163
Quote:
Originally Posted by Lady Fitzgerald View Post

That is rapidly changing. CA has a huge concentrating collector farm just north of I-10 between Blight (Blythe; get off the freeway and drive through the town sometime and you'll see why I call it Blight) and Indio that uses molten salt energy storage. There others similar to this one elsewhere in CA and all are in operation. More are on the way.

Hawaii (or the utilities) has outlawed selling back excess home solar generation to utilities. Home battery storage systems have been developed that can store enough power for a few days if necessary. Ask This Old House recently ran a segment on this.

Elon Musk has been developing small and large scale battery storage systems, some of which are due to go online soon, if they aren't already. https://www.theverge.com/2017/3/10/14879246/elon-musk-tesla-battery-farm-australia-blackouts

More reading on solar storage:

https://www.greentechmedia.com/articles/read/todays-top-solar-developers-have-become-storage-developers-too

http://www.solarreserve.com/en/technology/molten-salt-energy-storage

Any improvements to energy storage is a positive thing, but these are baby steps. It doesn't solve the energy losses that occur between collection>storage>dispensation. Fact of the matter is, it's simply cheaper to have energy production that's 24/7 instead of being limited to certain times of the day. On-going improvements in Fossil Fuel efficiency and the ready availability of relatively clean burning gas turbines make the choice obvious for now. Nuclear is always the ideal option, but one that's never going to get any traction due to public perception.

At the rate we're going, we're probably going to hit Fusion reactors faster than a viable renewable revolution.

On the other hand, it's great to see Tesla make semi trucks. I want to see pickup trucks and we might see EVs make another small dent in the US car market.
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