While electric cars typically emit less CO₂, the savings are smaller than most imagine. Over a 150,000 km lifetime, the top-line Tesla S will emit about 13 tonnes of CO₂. But the production of its batteries alone will emit 14 tonnes, along with seven more from the rest of its production and eventual decommissioning.
Compare this with the diesel-powered, but similarly performing, Audi A7 Sportback, which uses about seven litres per 100km, so about 10,500 litres over its lifetime. This makes 26 tonnes of CO₂. The Audi will also emit slightly more than 7 tons in production and end-of-life. In total, the Tesla will emit 34 tonnes and the Audi 35. So over a decade, the Tesla will save the world 1.2 tonnes of CO₂.
Moving a 4000 lb vehicle down the road requires a certain amount of energy, and that energy has to come from somewhere. Likewise, building the vehicle and dealing with it after its useful life has ended requires energy. If that energy comes from carbon fuel burning plants then it's no different in terms of emissions than a vehicle that burns its fuel on board. The idea that electric cars have zero emissions is false. More than false, really, a lie. Because Elon Musk knows better, but he still depends on the falsehood of zero emissions to make sales.
Don't be fooled - Elon Musk's electric cars aren't about to save the planet
Moving a 4000 lb vehicle down the road requires a certain amount of energy, and that energy has to come from somewhere. Likewise, building the vehicle and dealing with it after its useful life has ended requires energy. If that energy comes from carbon fuel burning plants then it's no different in terms of emissions than a vehicle that burns its fuel on board. The idea that electric cars have zero emissions is false. More than false, really, a lie. Because Elon Musk knows better, but he still depends on the falsehood of zero emissions to make sales.
Don't be fooled - Elon Musk's electric cars aren't about to save the planet
Moving a 4000 lb vehicle down the road requires a certain amount of energy, and that energy has to come from somewhere. Likewise, building the vehicle and dealing with it after its useful life has ended requires energy. If that energy comes from carbon fuel burning plants then it's no different in terms of emissions than a vehicle that burns its fuel on board. The idea that electric cars have zero emissions is false. More than false, really, a lie. Because Elon Musk knows better, but he still depends on the falsehood of zero emissions to make sales.
Don't be fooled - Elon Musk's electric cars aren't about to save the planet
Moving a 4000 lb vehicle down the road requires a certain amount of energy, and that energy has to come from somewhere. Likewise, building the vehicle and dealing with it after its useful life has ended requires energy. If that energy comes from carbon fuel burning plants then it's no different in terms of emissions than a vehicle that burns its fuel on board. The idea that electric cars have zero emissions is false. More than false, really, a lie. Because Elon Musk knows better, but he still depends on the falsehood of zero emissions to make sales.
Don't be fooled - Elon Musk's electric cars aren't about to save the planet
Moving a 4000 lb vehicle down the road requires a certain amount of energy, and that energy has to come from somewhere. Likewise, building the vehicle and dealing with it after its useful life has ended requires energy. If that energy comes from carbon fuel burning plants then it's no different in terms of emissions than a vehicle that burns its fuel on board. The idea that electric cars have zero emissions is false. More than false, really, a lie. Because Elon Musk knows better, but he still depends on the falsehood of zero emissions to make sales.
Don't be fooled - Elon Musk's electric cars aren't about to save the planet
Battery powered electric cars suffer from some real limitations of battery technology,
and energy density.
Battery Comparison of Energy Density - Cylindrical and Prismatic Cells
Looking at their chart the best batteries are below 200 Wh/kg
Gasoline carries about 8800 Wh/kg, so even if the Carnot efficiency
of the engine is only 20%, gasoline still carries a useful 1760 Wh/kg,
or eight times greater the energy density.
This is an improvement, gasoline used to be 10 times greater!
That said, electrical propulsion, is head and shoulders above driving the wheels
with the IC engine and transmission.
Hybrid ships and trains have been around for decades.
If a company develops a series hybrid, (like ships and trains), it could be a game changer.
I think Volvo was working on one.
4 hub motors, with a small fixed speed engine, and a small battery to absorb the starts and stops.
There are real efficiencies to be had with a fixed speed IC engine.honestly I like the idea of what chevy did with the volt.
honestly a electric generator car would run way better than a solid electric car with out as much waste.
similar to how ships operate. they have a battery system that is fueled by a generator.
in this case all you would need is a small 4 cycle motor that puts out enough power that keeps the batter charged.
it only kicks in when the batter gets to a certain point and the batter never drains lower than what it would take to
start the car.
so if you need a 10% charge to start the car and generator then the battery will never go below 10%.
the generator running will self charge the battery.
any gasses given off can be recycled back through to help charge the battery.
I think it would be more efficient system than what we have now.
chevy had a good idea but poorly executed like always.
There are real efficiencies to be had with a fixed speed IC engine.
Such a car would not have a transmission, and the engine could be very small.
Scam seem harsh. These cars do allow for the possibility of reduced emissions, if their the electricity comes from low emission sources.
Also, it makes them flexible, as now the source can be anything a power plant can run on. These cars run on nuclear, natural gas, solar, or wind just as readily as coal.
Obviously more efficient power plants are more important than what type of cars we're driving.
Maybe we're going about it backwards, but why the hate?
Moving a 4000 lb vehicle down the road requires a certain amount of energy, and that energy has to come from somewhere. Likewise, building the vehicle and dealing with it after its useful life has ended requires energy. If that energy comes from carbon fuel burning plants then it's no different in terms of emissions than a vehicle that burns its fuel on board. The idea that electric cars have zero emissions is false. More than false, really, a lie. Because Elon Musk knows better, but he still depends on the falsehood of zero emissions to make sales.
Don't be fooled - Elon Musk's electric cars aren't about to save the planet
Some electric car proponents are kinda smug assholes about it, seemingly wanting to make them mandatory. By the same token, I have zero problem with electric cars. I know someone who has a high end Tesla and it really is pretty nice. Having it serviced is a bit of a nightmare but if these vehicles become more common and popular, it'll get easier and more convenient - it always does.
As long as it's about competition it's all good. Besides, it would mean more gas and oil for me.
:lol: It's true, but you don't have to spend too many hours on SoCal freeways (my 2nd home) to discover smug assholes drive all sorts of vehicles.
Just save some of that oil for the plastic medical equipment they're going to need to keep me alive past 70!
Maybe we can hope that the buzz generated over this release will help to spur the upgrades we need to our power plants.
Whether they realize it or not, the electric vehicle crowd is in opposition to the old school hippies' anti-nuclear positions. I think we're way overdue to begin switching to thorium reactors.
Scam seem harsh. These cars do allow for the possibility of reduced emissions, if their the electricity comes from low emission sources.
Also, it makes them flexible, as now the source can be anything a power plant can run on. These cars run on nuclear, natural gas, solar, or wind just as readily as coal.
Obviously more efficient power plants are more important than what type of cars we're driving.
Maybe we're going about it backwards, but why the hate?
Musk says that his cars reduce emissions. It has been the big selling point for those cars (although they are pretty cool). He doesn't say they reduce emissions only if you buy your electricity from a green source. If you plug your car into the grid then the power you draw from it is still 67% from carbon fuel plants and 20% from nuclear.
Musk says that his cars reduce emissions. It has been the big selling point for those cars (although they are pretty cool). He doesn't say they reduce emissions only if you buy your electricity from a green source. If you plug your car into the grid then the power you draw from it is still 67% from carbon fuel plants and 20% from nuclear.
BTW, if you want maximum efficiency for your carbon emissions, from the birth to the death of the car, buy a hybrid. They have batteries, too, but they are tiny compared to the one in a Tesla.
Yes, a car that weighs a lot less is the most efficient of all, but I'm not getting in one of those things until they get those crazy people in SUVs and pickups off the roads.
...Compare this with the diesel-powered, but similarly performing, Audi A7....
....While Volkswagen, Audi, and Porsche vehicles with larger 3.0-liter V-6 diesel engines were not affected initially, they were subsequently investigated and found to include "defeat device" software as well.
Those include TDI versions of the Audi A6, A7, A8, Q5, and Q7; the Porsche Cayenne Diesel; and the Volkswagen Touareg TDI.
VW diesel emissions scandal: what you need to know in 10 questions (updated)
Audi had initially denied that the 3.0-liter diesel engines, offered in a number of models in North America, contained any kind of software that acted as a "defeat device," but had nevertheless halted sales of new and used models that feature that engine. The affected models include the A6, A7, A8, A8L, Q5 and Q7 models from the 2009 through the 2016 model year, along with the Porsche Cayenne Diesel and the Volkswagen Touareg TDI.
Read more: Audi 3-liter TDI emissions fix
"Electric Cars A Scam" :lamo
Talk about being scammed...
:lamo
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