Questions tagged [electric-vehicles]
The electric-vehicles tag has no usage guidance.
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Which U.S. states have zero emission vehicle mandates?
Today the governor of Massachusetts announced that starting in 2035, gasoline-powered vehicles will no longer be sold in the state. From the announcement (emphasis added, and a "sic" ...
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2answers
168 views
How exactly do the impacts of lithium mining compare to oil extraction over a vehicle's lifetime?
There's been a lot of discussion about the impacts of lithium mining vs oil extraction (here for example). I'd like to quantify this.
How do the impacts of mining lithium for one electric vehicle (EV) ...
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3answers
68 views
Why do most car manufacturers prefer electric batteries over hydrogen fuel cells?
Is this due to cost, or infrastructure, or path dependency, or incentives?
I understand that batteries are more efficient (1) - but this does not take into account the quantity of rare materials ...
1
vote
1answer
56 views
Are a significant portion of electric vehicle batteries reused as grid-connected batteries?
I've heard lots of people mention that concerns about the sustainability of electric vehicles are mitigated when you consider that at end-of-life the batteries can be reused as stationary, grid ...
5
votes
2answers
82 views
How much weight would a wireless charging system add to an electric bus?
Wireless charging requires a number of 'receiving charging pad's and a 'management module' and I imagine there will be additional wiring. How much extra weight does this add to an electric bus?
4
votes
1answer
69 views
Any electric vehicle that can be used as a home energy storage?
I have a house with a solar array on top currently tied to the grid. I would love to be able to use an EV as a battery for my house, and after it charges up in the day be nice to use it for the ...
4
votes
1answer
87 views
Which car is more sustainable, an all-electric Tesla Model 3 or a gas-powered Prius?
The Toyota Prius is available as a plug-in model, but I have a Prius that is only gas-powered, that is gas is the only fuel. I am wondering if the mpgE of the Tesla, 141, is so much better than the ...
5
votes
2answers
148 views
Are trains more sustainable than electric buses?
I assume the energy for electric buses and trains comes from the same sources. But a train doesn't need to carry it's power supply along, contrary to a bus. However, there is more infrastructure that ...
6
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2answers
126 views
How much of a reduction of carbon emissions can be achieved if a diesel bus is switched out for electric?
My city council has pledged to try and be carbon neutral by 2030 as part of the Global Covenant of Mayors and are investigating ways to achieve that.
I'd like to bring forth an idea to replace our ...
5
votes
1answer
99 views
Is charging Tesla Model 3 at 110v/15amp less energy efficient than at 220v/30amp?
I have a rudimentary understanding of volts and amps. (Volts is like pressure and Amps are like the bandwidth of that pressure.) So just reasoning about it, I imagine charging to be an event where the ...
6
votes
2answers
85 views
What is the effect of hot weather on the performance of electric vehicles?
Allied to the question: How does cold weather affect electric vehicles?
How does hot weather affect electric vehicles, particularly when the atmospheric temperature is above 30 C and closer to 40 C,...
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3answers
115 views
How does cold weather affect electric vehicles?
I live in Madison, Wisconsin, US where our winters are cold -- for January and February, the average low is around -10C, with extremes regularly dipping below -20C.
I currently have a 20-year old car....
3
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1answer
74 views
Are solar powered cars sustainable and are they a good idea for future transportation?
As population rises, fossil fuels will start depleting so are solar powered cars a good idea? How much power can they produce when it is cloudy?
0
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0answers
24 views
How sustainable is replacing a gas car with an electric car, since gas car still exists? [duplicate]
I drive a 2010 BMW 535i maybe 100 km/week, mostly urban driving. My wife also has a gasoline car which we can use for longer trips. I want to reduce our greenhouse gas emissions by buying an electric ...
2
votes
2answers
82 views
Electric cars and grid power capacity
The UK has a target to be carbon-neutral by 2050:
As we can see in the image large cuts across all type of CO2 emissions are required. This article by the BBC suggests a number of ways in which ...
4
votes
3answers
2k views
Method of transport with decent speed/low cost without a driving license?
I'm looking for something a little bit better than your average bike in terms of transportation potential, but cannot be a license-required vehicle as I cannot get a driver's license. I also don't ...
5
votes
1answer
102 views
Is electricity used at night more likely to be renewable?
Discussing charging my electric car with a colleague recently I argued that since (in Ireland) our renewable energy sources are mainly wind and hydro, since I charge my car at night the mixture of ...
2
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2answers
101 views
Are there any active vehicle to grid programs around the world that are accepting customers?
It seems like people have been hyping the benefits of vehicle-to-grid (V2G) for decades.
The basic premise of V2G is that electric vehicles, when plugged in to the grid to charge, can offer services ...
10
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6answers
322 views
To what extent (if any) are electric vehicle batteries recyclable?
Are there any existing procedures for the recycling of electric vehicle car batteries, and if so what are they? In particular I'm interested in those used in the Volkswagen E-Golf, though general ...
4
votes
3answers
150 views
New electric vehicle: does the cost outweigh the benefits?
Since it's summer break and I can no longer walk everywhere like I could at university, I've been having to drive my car a lot. For a 2001 model, it gets excellent gas mileage (or so I assume, I've ...
5
votes
1answer
237 views
Is an electric vehicle more sustainable just because it runs on batteries? [duplicate]
So, is driving an EV (like the Tesla Model S) actually sustainable? Does it not matter how the actual power/energy was created? Does this matter?
7
votes
2answers
2k views
Are electric cars more efficient than gas-powered car (when considering entire energy cycle)? [duplicate]
For the last couple weeks, I've been hearing a lot of talk surrounding Tesla and "the electric car". What I'm curious of is whether or not it is more efficient to actually power an electric car (the ...
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10answers
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What are the pros and cons of electric motors vs. internal combustion engines?
What are the pros and cons of electric motors, compared to internal combustion engines, from a sustainability perspective?
Are electric motors better for the economy, more efficient, or more ...
35
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3answers
3k views
Are electric cars as environmentally friendly as we think they are?
Given the fact that the average lifetime for a car battery is 3 years and all of the batteries end up at a landfill at the end of their lifetime, how sustainable are electric cars in providing a ...
