There may well be 9kwh of energy in 1 litre of petrol, but it sure wont get you as far as a 9kwh battery.
I drive an electric Hyundai ioniq, got it end of november last year.
The 28kwh battery can move me 230 km at high speed with no regard for any economic driving in the summer, a lot more if i actually made any effort at all. In the winter at below -10c with snow and salt slush on the roads i still get over 180km whilst being comfy inside using the climate control.
How far can you get on just over 3 liters of petrol?
I drive an electric Hyundai ioniq, got it end of november last year.
The 28kwh battery can move me 230 km at high speed with no regard for any economic driving in the summer, a lot more if i actually made any effort at all. In the winter at below -10c with snow and salt slush on the roads i still get over 180km whilst being comfy inside using the climate control.
How far can you get on just over 3 liters of petrol?
Combustion engines are only 25% efficient, compared to at least 90% for electric. Add some braking regeneration and you easily get 4 times the mileage per KWh.
No one has mentioned that car batteries can level power peak demands as far as I can see. To meet peak demands on the electric grid there are spinning reserves; i.e. generators rotating without power being drawn so if there is a peak demand, power can be drawn from those generators. Electric cars can be charged on off-peak times. Also it would be possible to draw power out of electric cars during peak times.
Here in Texas, almost 23 percent of electricity was generated by wind during the first quarter of 2017 (The Rise of Wind Power in Texas - Scientific American). As we know wind power is intermittent. Electric car batteries could provide short term reserves until conventional power plants can be spun up and brought on line so spinning reserves would be unnecessary.
John
Here in Texas, almost 23 percent of electricity was generated by wind during the first quarter of 2017 (The Rise of Wind Power in Texas - Scientific American). As we know wind power is intermittent. Electric car batteries could provide short term reserves until conventional power plants can be spun up and brought on line so spinning reserves would be unnecessary.
John
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can it be as high as 4 times?
At the moment they are only getting about 1.5 to 1.6times.
That is mostly down to the efficiency of the motors/generators and the storage. If you have to go through a 95% efficiency from generator to storage to motor you are down to 86% overall.
But we are nearer 80% per stage and that reduces the overall efficiency to around 50%
That why they can't get a range extension much beyond 1.6times compared to simply using stored energy.
Regeneration is the key, but efficiencies are just not there (yet) to make a big enough impact.
And so further shortening their life...
It also relies on the vehicles being plugged into the grid to be 'accessed' when needed.
The UK has a couple of fast responding pumped hydro schemes such as Dinorwig_Power_Stationthat can be brought to full output and synchronised to the grid in just over 1 minute.
Obviously such schemes are dependent on region, not everywhere has hydro, not everywhere has reliable wind and solar.
However to get gasoline (petrol) or diesel fuel to the pump crude has to be refined to get the end products, and then the end products have to be transported to fuel stations. So there are losses there.
John
John
Jeez, just ride a bike you bunch of planet murderers. I commute 180 miles a week on my bike. How many of you actually live further away than you could ride in an hour?
Now where's the on switch for my ksa 200
Now where's the on switch for my ksa 200
Is this the other one? Ffestiniog Power Station - Wikipedia
It's a little closer to me and 15 seconds faster 🙂. Not as big though. I was told that it regularly gets switched on for the national post Eastenders tea making ritual.
Not a problem if you have the deeds for the land and a time machine.
Just jump forward in time to where the tech exists and the oil price is highest.
At the end, we`d be needing massive amounts of solar energy and because farmland becomes scarce, we`d have to put them where - in the arab countries. So, they`d be selling us electricity instead of oil 😀
I like this idea. Charge overnight, drive to work, plug in, program your charge requirements for the rest of the day, charge/discharge to the grid as calculated. Also I think it would be nice if this could be done at a local level (I believe most things are best done as locally as possible) it would save on transmission capacity requirements.
If you shade the desert with solar panels you might have a fighting chance of growing something there given some water.
I like the initative from some of the companies that offer solar panels. I've been looking at solkart.no here in Norway, they just combine a public map with the roof angles to calculate the possible output of your roof, most of us have one of those, right?
I considered adding solar panels to my roof, both at a very early stage of subsidised installation and much later when subsidies had been adjusted to take account of lower installation costs.
I came to the moral conclusion, that I could not ask my neighbours to pay for my electricity.
I decided against installing any solar panels.
For the past few years my electricity bill has about 9% added to it to pay for the subsidised "green energy" installed around the country.
I can see 12 wind turbines from my front door and if I walk half a mile I will be able to see >100 wind turbines varying in size from 5kW to >2MW
I don't think I have any 4 to 5MW in sight yet, but the planners are considering applications for these even bigger monsters.
I came to the moral conclusion, that I could not ask my neighbours to pay for my electricity.
I decided against installing any solar panels.
For the past few years my electricity bill has about 9% added to it to pay for the subsidised "green energy" installed around the country.
I can see 12 wind turbines from my front door and if I walk half a mile I will be able to see >100 wind turbines varying in size from 5kW to >2MW
I don't think I have any 4 to 5MW in sight yet, but the planners are considering applications for these even bigger monsters.
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I have no problem understanding your reasoning. But most new industries benefit from the kick start government funding provides, just like with everything else the first things are silly expensive until the industry gets the momentum rolling and lowers the cost for everyone else. The first ball point pens cost a fortune, now we hardly consider it a cost at all, in fact they might go the way of the CD sometime soon.
Solar panel setups are much cheaper today than a few years back.
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Seeing you edited with wind power. I liked those wire tethered baloons with wind turbines inside they had on that animated movie the kids watched a while back Big Hero 6, just a lot of them floating above the city.
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I am pretty certain they'd still bump your bill 9% or more even if there was no subsidy for "green power". They keep clawing for more cash flow to feed the monster, dont remember who said: the bureaucracy is expanding to meet the demands of the expanding bureaucracy.
Point being, those 9% goes more to keep the system fed, ensuring that people keep in line and follow the guidelines and regulations. Would be cheaper to cut the tax on parts and labour, but someone must be appointed to make sure every rule is followed.
Solar panel setups are much cheaper today than a few years back.
Edit:
Seeing you edited with wind power. I liked those wire tethered baloons with wind turbines inside they had on that animated movie the kids watched a while back Big Hero 6, just a lot of them floating above the city.
Edit2:
I am pretty certain they'd still bump your bill 9% or more even if there was no subsidy for "green power". They keep clawing for more cash flow to feed the monster, dont remember who said: the bureaucracy is expanding to meet the demands of the expanding bureaucracy.
Point being, those 9% goes more to keep the system fed, ensuring that people keep in line and follow the guidelines and regulations. Would be cheaper to cut the tax on parts and labour, but someone must be appointed to make sure every rule is followed.
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Where I live the local economy is a black hole for government start up subsidies. Most of the work is seasonal so the benefit system also subsidises what are in reality unviable businesses. Some of the larger employers here are actually nationwide companies who can easily afford to keep people on retainers over the winter months but don't because they know the government will step in and they will be immediately available and desperate for their minimum hours/minimum wage jobs again come the spring. Locally Tesco offer 10hr per wk contracts. Most of the startups here fail because their is little incentive to try and build up a viable business, basically it's easy money for crooks.
When it comes to utilities, though they are important to normal life they are still run as profit making companies so I think they should have loans from the government, interest free if necessary but not subsidies
When it comes to utilities, though they are important to normal life they are still run as profit making companies so I think they should have loans from the government, interest free if necessary but not subsidies
And assuming you also sanctimoniously pedal to the local market for groceries, how do you think those goods are harvested and delivered?
Then there's the carbon footprint /greenhouse gas contribution of the meat industry.
The problems we've created for ourselves and grandchildren are far too complex to be remedied by any one single technology breakthrough
I'd have thought you'd be an advocate for class D - or perhaps your Krell reference was entirely ironic?
Dilithium would do it, but likely result in having a giant dust cloud orbiting the sun where the earth used to be. Long before heat death set in.
Bike commuting to work has the opposite effect on ones carbon footprint, when you consider three showers a day, all the prepackaged foods you'll need to eat, driving a large vehicle capable of hauling things on weekends, dropping the AC down a couple extra degrees to be able to sleep at night after a 30 mile race pace ride home, the ungodly amount of laundry you need to do, etc, etc. There would be less environmental impact to just drive. But then you get to spend (or your ins. Co.) $600 a month on cholesterol and A1C lowering meds in addition to buying gasoline. I'll take the bike.
I had considered putting in solar and wind, but decided not to due to the cost. It would take 3X the actual equipment cost just to retrofit this old house, but it would actually be cost effective for NEW construction. And the wife and I have decided not to stay here forever because it is getting claustrophobic (where it was all 1 to 2 acre lots 10 years ago). So it will wait till the next house - and commuting to work will no longer be necessary. But I'll still be out on the bike every day, while getting free electricity for the AC.
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