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Tema o e-mobilnosti


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summa summarum BEV daleč najmanj onesnažuje. https://energy.mit.edu/wp-content/uploads/2019/11/Insights-into-Future-Mobility-Executive-Summary.pdf?fbclid=IwAR0cq7YC1TMpY_AagTwdGREuSBc_RCCS2LYS_4ktbVZh-hNTjVmFC6T6eSU

 

“For similar-sized vehicles in the U.S. today, per-mile lifecycle (including vehicle and battery production) greenhouse gas emissions for battery electric vehicles run on the present U.S.-average grid electricity are approximately 55% of the emissions from conventional internal combustion engine vehicles. Per-mile greenhouse gas emissions for hybrid, plug-in hybrid, and fuel cell electric vehicles (run

on hydrogen generated by steam methane reforming) are all approximately 72%–73% of emissions from conventional vehicles. These lifecycle emissions are dependent on battery size and life, fuel cell life, fuel economy, and many other factors.

Lifecycle emissions for all vehicles are highly sensitive to the methods used to produce and distribute the fuels (or electricity) on which they operate. This means that a battery electric vehicle operating on green electricity will

have much lower greenhouse gas emissions than a gasoline-powered hybrid vehicle, whereas a battery electric vehicle operating on carbon-intensive electricity (as in most of China and in some parts of the U.S.) will have higher emissions than a gasoline-powered hybrid vehicle. Likewise, the method used to produce hydrogen—whether steam methane reforming, with or without carbon capture, or electrolysis using current average electricity versus a “greener” electricity mix—can have

a substantial impact on the lifecycle emissions of fuel cell vehicles.

Due mainly to projected reductions in U.S.

grid carbon intensity and increases in fuel economy, lifecycle greenhouse gas emissions from all types of vehicles are projected to decline over the next three decades (to 2050): by 30%–47% for battery electric vehicles, by 20%–40% for internal combustion engine vehicles, and by 25%–40% for hybrid electric vehicles. But if the grid carbon intensity declines dramatically and/or low-carbon production methods for hydrogen are developed and deployed, the carbon intensity of battery electric and fuel cell electric vehicles could be further reduced.”

“Both battery electric and fuel cell electric

vehicles have a potential role to play in large-scale transportation decarbonization and in efforts to reduce air pollution. Both need continuing support to overcome cost and convenience barriers, but of the two, battery electric vehicles face the path of lower resistance during the transition away from internal combustion engines within the LDV fleet. The evolution toward zero-carbon ground transportation solutions may well include hydrogen for long-haul and high-mileage applications (both heavy- and light- duty) that require fast fueling, while short-haul and low-mileage applications will more likely be captured by battery electric vehicles.”

 

Torej ti so plačali raziskavo in sami potrjujejo....

The MIT Energy Initiative gratefully acknowledges the 10 consortium members whose generous sponsorship made this research possible: Alfa, Aramco, BP, Chevron, Equinor, ExxonMobil, Ferrovial, General Motors, Shell, and the Toyota Mobility Foundation. We also thank Bosch for its contribution to the project. Representatives from all of these companies engaged with the MITEI

uredilo bitje Vodokotlič
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Vodokotlič reče pred 20 urami:

summa summarum BEV daleč najmanj onesnažuje. https://energy.mit.edu/wp-content/uploads/2019/11/Insights-into-Future-Mobility-Executive-Summary.pdf?fbclid=IwAR0cq7YC1TMpY_AagTwdGREuSBc_RCCS2LYS_4ktbVZh-hNTjVmFC6T6eSU

 

“For similar-sized vehicles in the U.S. today, per-mile lifecycle (including vehicle and battery production) greenhouse gas emissions for battery electric vehicles run on the present U.S.-average grid electricity are approximately 55% of the emissions from conventional internal combustion engine vehicles. Per-mile greenhouse gas emissions for hybrid, plug-in hybrid, and fuel cell electric vehicles (run

on hydrogen generated by steam methane reforming) are all approximately 72%–73% of emissions from conventional vehicles. These lifecycle emissions are dependent on battery size and life, fuel cell life, fuel economy, and many other factors.

Lifecycle emissions for all vehicles are highly sensitive to the methods used to produce and distribute the fuels (or electricity) on which they operate. This means that a battery electric vehicle operating on green electricity will

have much lower greenhouse gas emissions than a gasoline-powered hybrid vehicle, whereas a battery electric vehicle operating on carbon-intensive electricity (as in most of China and in some parts of the U.S.) will have higher emissions than a gasoline-powered hybrid vehicle. Likewise, the method used to produce hydrogen—whether steam methane reforming, with or without carbon capture, or electrolysis using current average electricity versus a “greener” electricity mix—can have

a substantial impact on the lifecycle emissions of fuel cell vehicles.

Due mainly to projected reductions in U.S.

grid carbon intensity and increases in fuel economy, lifecycle greenhouse gas emissions from all types of vehicles are projected to decline over the next three decades (to 2050): by 30%–47% for battery electric vehicles, by 20%–40% for internal combustion engine vehicles, and by 25%–40% for hybrid electric vehicles. But if the grid carbon intensity declines dramatically and/or low-carbon production methods for hydrogen are developed and deployed, the carbon intensity of battery electric and fuel cell electric vehicles could be further reduced.”

“Both battery electric and fuel cell electric

vehicles have a potential role to play in large-scale transportation decarbonization and in efforts to reduce air pollution. Both need continuing support to overcome cost and convenience barriers, but of the two, battery electric vehicles face the path of lower resistance during the transition away from internal combustion engines within the LDV fleet. The evolution toward zero-carbon ground transportation solutions may well include hydrogen for long-haul and high-mileage applications (both heavy- and light- duty) that require fast fueling, while short-haul and low-mileage applications will more likely be captured by battery electric vehicles.”

 

Torej ti so plačali raziskavo in sami potrjujejo....

The MIT Energy Initiative gratefully acknowledges the 10 consortium members whose generous sponsorship made this research possible: Alfa, Aramco, BP, Chevron, Equinor, ExxonMobil, Ferrovial, General Motors, Shell, and the Toyota Mobility Foundation. We also thank Bosch for its contribution to the project. Representatives from all of these companies engaged with the MITEI

As expected.

Uglavnem rabimo še 2 nuklearki pa smo clean.

Pa električni avti bi morali bit cenejši od klasičnih, ker majo manj gibljivih delov. To, da so trenutno dražji je čisti corporate cash grab. "Paying for research" je pesek v oči, research je itak financiran na druge načine.

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Normalno je, da zadeve še niso poceni. Prvo morajo pobrati smetano.  Ni nujno da rabimo še eno nuklearko.  Moramo pa narediti smart grid.  Ko bodo baterije poceni bodo tudi hiše imele ta sistem, ki bodo oddajale v el. omreže (ko je velika poraba) in sprejemale (ko je višek). Samo to je toliko velika zadeva, da se morajo vsi združiti. 

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jlpktnst reče pred 9 urami:

Pa električni avti bi morali bit cenejši od klasičnih, ker majo manj gibljivih delov. To, da so trenutno dražji je čisti corporate cash grab. "Paying for research" je pesek v oči, research je itak financiran na druge načine.

 

...ravno par dni nazaj sem nekje prebral povzetek intervjuja z incognito 'inženirskim odpadnikom iz Mercedesa', ki se je z avtoelektrizacijo ukvarjal zadnjih 5+ let. pravi, da je točka preloma elektriziranih avtomobilov že dosežena in da bi, ako bi bilo to v interesu kompanij, te že lahko prodajali po občutno nižji ceni, pa ravno tako kompaniji prinašali dobiček.

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hawa meyta reče pred 13 urami:

 

...ravno par dni nazaj sem nekje prebral povzetek intervjuja z incognito 'inženirskim odpadnikom iz Mercedesa', ki se je z avtoelektrizacijo ukvarjal zadnjih 5+ let. pravi, da je točka preloma elektriziranih avtomobilov že dosežena in da bi, ako bi bilo to v interesu kompanij, te že lahko prodajali po občutno nižji ceni, pa ravno tako kompaniji prinašali dobiček.

Včasih so države z zakoni "spodbujale" te reči :D Uglavnem udarit po žepih. Ampak je politična slika že nekaj časa precej bolj v prid fakcijam ki so prodane. Marketing pač deluje in denar je močan motivator.

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Tadey reče pred 2 urama:

Če se bo želelo res preiiti na električna vozila bo potrebno konkretno narest infrastrukturo.

 

Jest zdele živim v bloku in ni šans da imam čist električen avto. Nimam ga kje nafilat. 

 

Mogoče kak hibrid še pride v upoštev.

Potrebno bo tone vložit v električno infrastrukturo. Sej tudi če bi začeli zdej vsi filat avte bi power grid crknu.

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Fun facts:

VW ID.3, 4, 5 in Škoda Eniaq iV:

- grejo samo max 150-160 km/h, VW priporoča ne več kot 110-120 km/h po bahnu, da se ne kuri preveč štroma

- ima samo drive assistanta, ki ne dela v dežju, snegu megli, samo kadar je sonce, ne menja pasa po bahnu

- kamera ne snema dogajanja, kot tesla

 

BMW iX3 je nekoliko boljši, max 180 km/h priporočeno, 130, da ne kuri preveč štroma

 

Tesla model 3:

- priporočeno 150-160, max 225 km/h osnovni model :rofl:

- osnovni avtopilot, dela samo po bahnu, menja pasove, lahko ga vklopiš v vseh vremenskih razmerah, ni kot VW/BMW, ki dela le v lepem sončnem vremenu, lol

 

Upam, da ste dojel point, da Tesla bp potovalna hitrost 160 km/h, medtem ko VW topi baterijo in motor, ker je že do daske, kokr gre :rofl:

 

Čakamo, kako se bo odrezal Mahlejev e-motor, brez permanentnega magneta (sredico ima navito z bakrom, ki je wirelessly chargana) In kateri eu proizvajalc ga bo prvi vgradil.

 

 

 

uredilo bitje Geschaftsfuhrer
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bainit reče pred 3 urami:

a so ta mahlejev motor razvili v sloveniji slučajno (iskra avtoelektrika)?

tut dvomim, da bo teslin assistant delal v sneku, ker tam pač nima skor nič, da bi spremljal. z radarjem maš vsaj globino.

Sedaj so Lektrika d.d., mislim da je v Slo razvit.

 

Kolk dobr dela Teslin avtopilo v dežju, snegu, meglu, bo znal @Vodokotlič povedat

uredilo bitje Geschaftsfuhrer
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Težko povem, ker ne vem kako dela to pri drugih avtomobilih. Meni dela ok. Razen se včasih zgodi ghost bremzanje. Samo to se mi ni že dolgo zgodilo . Praktično avto je drugačen kot takart kot sem ga dobil. Prednosti OTA updatov.

 

Je pa en znanec, ki ima teslo 3 in prej cel kup drugih avtomobilov, da je Tesla krepko v prednosti.

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bainit reče Dne, 20. 8. 2021 at 18:12:

dokler bomo mel štrom na sonce in veter, bo tut potem

Erm v sloveniji? Vetrnice se folk tolk bori, da jih nikol ne bo. Sončne nimamo kvadrature, je že itak vse pozidano. Tisto mal na bajtah ...ok poleti. Kaj pa pozimi?

bainit reče pred 20 urami:

a so ta mahlejev motor razvili v sloveniji slučajno (iskra avtoelektrika)?

tut dvomim, da bo teslin assistant delal v sneku, ker tam pač nima skor nič, da bi spremljal. z radarjem maš vsaj globino.

Meni radar neha delat ko ima avto 5mm snega na sprednjem delu, kar se zgodi nekje v max 15 min snežnega meteža ali vožnje po brozgi. Tolk o VW radarju.

Vodokotlič reče pred 16 urami:

Težko povem, ker ne vem kako dela to pri drugih avtomobilih. Meni dela ok. Razen se včasih zgodi ghost bremzanje. Samo to se mi ni že dolgo zgodilo . Praktično avto je drugačen kot takart kot sem ga dobil. Prednosti OTA updatov.

 

Je pa en znanec, ki ima teslo 3 in prej cel kup drugih avtomobilov, da je Tesla krepko v prednosti.

Jeba OTA updatov je, da nimaš čisto nobene kontrole nad tem. Basically nisi več owner. Plus nikoli ne veš kaj bo avto naredil, ker se spreminja obnašanje. Torej težko predvideš neumnosti ki jih bo delal. Sem ravno zadnjič gledal en demo ko so testiral nov SW in jim je avto ene 5x zavil ostro levo. Kar tako, random. Tipo je parkrat komaj rešil pred totalko.

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Meni osebno je OTA prinesel same prednosti. Je pa res, da jaz nimam kupljene samodejne vožnje (ki pa po EU zakonodaji itak ne bi delal)

 

Kar se tiče radarskega/kamera tempomata del lepo tudi ko je močen dež in sneg. Sosed ima model X pa njemu ne dela najbolj.  Samo ga takrat ne uporabljam, ker imam slab občutek, da se nekaterih pasti ne zaveda. Npr prehitro odvzema "plina" na stopalki + močno regeriranje je kombinacija da te obrne.  

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Geschaftsfuhrer reče Dne, 22. 8. 2021 at 12:32:

Fun facts:

VW ID.3, 4, 5 in Škoda Eniaq iV:

- grejo samo max 150-160 km/h, VW priporoča ne več kot 110-120 km/h po bahnu, da se ne kuri preveč štroma

- ima samo drive assistanta, ki ne dela v dežju, snegu megli, samo kadar je sonce, ne menja pasa po bahnu

- kamera ne snema dogajanja, kot tesla

 

BMW iX3 je nekoliko boljši, max 180 km/h priporočeno, 130, da ne kuri preveč štroma

 

Tesla model 3:

- priporočeno 150-160, max 225 km/h osnovni model :rofl:

- osnovni avtopilot, dela samo po bahnu, menja pasove, lahko ga vklopiš v vseh vremenskih razmerah, ni kot VW/BMW, ki dela le v lepem sončnem vremenu, lol

 

Upam, da ste dojel point, da Tesla bp potovalna hitrost 160 km/h, medtem ko VW topi baterijo in motor, ker je že do daske, kokr gre :rofl:

 

Čakamo, kako se bo odrezal Mahlejev e-motor, brez permanentnega magneta (sredico ima navito z bakrom, ki je wirelessly chargana) In kateri eu proizvajalc ga bo prvi vgradil.

 

 

 

 

Ja sam v realnosti se vse tesle vlecejo po avtocesti kot creva. 

 

Se takrat ko je mel kdo micken tezjo nogo je po nekaj 10km sel nazaj kampirat za sleperje... 

 

V realnosti se vsi stromarji vlecejo nelje med 100 in mogoce 120, lih tolk da jih kamioni ne prehitevajo. 

 

Na zalost baterije se ne omogocajo laganini 150 and up po autobahnu. 

 

Za resne avte strom se nekaj casa ne bo glavni v igri. Je pa fantasticna zadeva za po mestih. 

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