Tech & Science : Electric cars may be the future, but they’re still critically flawed in one key area - - PressFrom - Australia
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Tech & Science Electric cars may be the future, but they’re still critically flawed in one key area

16:30  12 november  2019
16:30  12 november  2019 Source:   businessinsider.com.au

Police investigate links between neighbourhood fight and more than 50 vandalised cars

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Electric vehicles are more environmentally friendly than their gas-powered counterparts, but they still lag behind in one Electric - vehicle batteries are bigger than those used in gas-powered cars and feature a different kind of chemistry. They ' re also harder to recycle than lead-acid batteries, Self said.

Electric cars might look like a typical car on the outside - or not, depending on the brand you choose -- but under the hood they swap out some important The biggest challenge the electric car industry is up against is battery power. According to How Stuff Works, there are six major flaws in lead-acid

a person flying through the air
  • Electric vehicles are lauded as an environmentally friendly alternative to gas-powered cars, thanks in part to producing no emissions on the road.
  • Yet building electric cars creates more greenhouse-gas emissions than producing an equivalent gas-powered vehicle.
  • Studies have shown that to be true in the world's top three markets - in the US, China, and Europe.
  • It's on the major automakers to refine the process of building cars to reduce their deleterious effects on the environment. Some have made significant progress.
  • Read more stories from Business Insider's Driving the Future series.

Studies have shown that in the US,Europe, and in China, producing an electric vehicle creates more greenhouse-gas emissions than producing an equivalent gas-powered vehicle.

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The Flawed Cult of Musk. Driverless vehicles are the central feature of Silicon Valley’s transportation vision and the media largely bought the assertions of major companies that they were just around the corner, even when people like Musk promised they were two years away, then, two

But electric cars may or may not help the country combat climate change—and it all depends on where the electricity comes from. But those smokestacks, many attached to coal-fired power plants, are the single-largest source of greenhouse gas pollution in the U.S., at two billion metric tons of CO2

The biggest reason for that disparity is an electric vehicle's battery, which can account for about a quarter of its weight, Colby Self, the managing director at the Automotive Science group, told Business Insider.

Electric-vehicle batteries are bigger than those used in gas-powered cars and feature a different kind of chemistry. While vehicles that run on gas tend to use lead-acid batteries, electric vehicles use lithium-ion batteries, like those found in mobile phones and laptops.

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Your electric car doesn’t need gas, but it still might get its energy from burning carbon. It depends on how your local grid generates electricity . Overall, “the greenhouse-gas-emissions footprint of electric vehicles can be pretty high on the front end, as they ’ re being built,” says McConnell.

Dana Nuccitelli: Nearly 60% of US carbon pollution comes from power and transportation, and power is already decarbonizing fast.

Lithium-ion batteries require a lot of energy to produce. So, too, does the extraction and refinement of metals like lithium, nickel, and cobalt. They're also harder to recycle than lead-acid batteries, Self said.

"The CO2 emissions from making a battery are higher than what you save from not making the engine and transmission," David Reichmuth, a senior engineer in the clean-vehicles program at the Union of Concerned Scientists, told Business Insider.

A 2015 study from the Union of Concerned Scientists found that manufacturing a midsize electric vehicle would produce about 15% more emissions than the process of building a similar gas-powered vehicle would. For a bigger electric vehicle with a larger battery, that gap could grow to 68% or more, the nonprofit organisation found.

The International Council on Clean Transportation (ICCT) came to the same conclusion based on a review of 11 studies published between 2011 and 2017. The nonprofit organisation said that the electricity used in the battery production was the single biggest factor in explaining the emissions gap, which means using cleaner sources of energy would be the most impactful way to reduce the emissions that come from the production process.

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Electric cars offer the biggest savings over diesel in Norway (27%) as the battery-powered vehicles Sandra Wappelhorst, from the ICCT, said: “Most trips are within an electric vehicle ’s range, and it is the battery electric vehicle that turns out to be the most cost But if you’ re a country doctor, who

The battery-powered electric car is making inroads, but there’s one major problem – the battery itself. What’s needed to make the green motor go mainstream? If the electric car -makers have their way, this is the future that we will all experience at some point, and they are pouring a lot of money into

Volkswagen, which has perhaps the most ambitious electric-vehicle investment plans of any major automaker over the next decade, said that part of its agreement with LG Chem, one of its battery suppliers, requires the chemical company to use only environmentally friendly sources of electricity. And Tesla intends for its battery factory in Nevada to one day run entirely on renewable energy.

Tesla and BMW are also engaging in battery-recycling programs, which the ICCT cites as another way to reduce the emissions from battery manufacturing. Overall, decarbonizing electric grids, recycling batteries, and increasing battery-energy density could decrease the emissions produced by battery manufacturing by up to 49%, the ICCT estimates.

a close up of a motorcycle: A 2019 Nissan Leaf Plus gets recharged. A 2019 Nissan Leaf Plus gets recharged.

Looking beyond the battery

Automakers are taking other steps to reduce the use of environmentally harmful forms of energy in their vehicle plants. BMW may be the most ambitious, saying it will use only electricity from environmentally friendly sources when making vehicles starting in 2020.

Ford to use Mustang name for electric SUV

  Ford to use Mustang name for electric SUV Ford to use Mustang name for electric SUVThe SUV will be among a more than dozen all-electric automobiles the company plans to launch by 2022 with an investment of $11.5 billion as it moves away from traditional gas-powered cars.

Primarily used in electric cars , these batteries are lighter and can store a charge longer, but they ’ re much more expensive (00 per battery, compared to In the meantime, though, lithium-ion batteries have still gotten the most funding over the past two years, Financial Times reports, because investors

Today, they ’ re around of course, but they ’ re not yet ubiquitous. The biggest reason? Lithium-ion batteries, a key component of tomorrow’s electric cars , are getting cheaper. When cars first became popular, gas stations started popped up, first in cities, then in smaller towns, eventually

Daimler plans to use only renewable energy in vehicle production starting in 2022, and Volkswagen says it will make production carbon-neutral by 2050. Tesla and Toyota also aspire to rely entirely on renewable energy at their manufacturing plants, but neither has set a deadline to complete the transition.

Automakers are already taking steps in that direction. About 60% of the energy General Motors uses at its factory in Lake Orion, Michigan, where it makes the Chevrolet Bolt EV, comes from methane that is naturally emitted from two landfills next to the factory, Jack Hund, the plant launch operations manager at GM, said in an interview with Business Insider.

And Tesla has over time increased the energy efficiency of the equipment at its Fremont, California, factory, leading to a 19% drop in energy use between 2016 and 2019.

Despite producing more emissions during the production stage, electric vehicles still pollute far less than gas-powered cars over the course of their lifespan.

In a 2015 study, the Union of Concerned Scientists found that gas-powered cars emitted almost double the emissions that contribute to global warming as electric vehicles, which can make up the difference from the manufacturing stage in six to 18 months of driving, depending on the size of the battery.

Electric or hydrogen — which will win the clean car race?

  Electric or hydrogen — which will win the clean car race? Concerns over the security of our fuel supply, shifts in international car manufacturing trends and the health impacts of exhaust fumes are piquing interest in electric and hydrogen vehicles. So which technology is in the lead?And with good reason. At the moment, transport contributes almost a fifth of Australia's greenhouse gas emissions — with passenger cars and road freight together emitting more than three-quarters of the transport sector's share.

They ’ re a rarity on the streets of most countries and still cost significantly more than similar gasoline burners. OPEC maintains that electric vehicles The other unknown that BNEF considers is the rise of autonomous cars and ride-sharing services like Uber and Lyft, which would all put more cars on

The price of electric vehicles is coming down, but they still look expensive compared with many gasoline-powered cars . This year, the average electric car transaction price decreased by 11 percent from 2016. Some affordable models are the 220-mile range Tesla Model 3 for ,000 and

In 2018, the organisation found that electric vehicles were getting even cleaner.

Driving an electric vehicle is like driving an equivalent gas-powered car that gets 80 mpg (the average for a gas-powered vehicle was 24.9 mpg for the 2017 model year, the organisation found, up from 73 mpg in 2017 because of a decrease in the use of coal and an increase in the use of renewables in US energy grids.

The 2018 ICCT briefing arrived at a similar conclusion for Europe, saying that a standard electric vehicle in Europe produced half the overall greenhouse-gas emissions in its lifetime than an average European gas-powered car, and would reach parity with the average gas-powered car in two to three years.

It is important that automakers work to lower the emissions produced during the manufacturing process, but Jessika Trancik, an associate professor of energy studies at MIT, says the way forward is clear: "Offering more alternative-powertrain electric vehicles that meet consumers' needs is probably the single largest contribution they can make."

Read more stories from Business Insider's Driving the Future series here.

The Only Way For Long-Term Electric Car Sales To Work Is To Do What The Communists Did .
I saw an article recently documenting how Tesloop, a Southern California car shuttle service that only operates Teslas, has some of the highest-mileage Teslas in the world, with many having 480,000 kilometres on the clock. The important part here, though, is that maintenance-wise, the cars are doing fantastic, way better than a combustion car with similar mileage. Mechanically, any electric car—not just Teslas—should be equally long-lived. That’s precisely why in order for electric carmakers to thrive, they need to do what the Communists did. Specifically, the Czech commies.

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