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Electric car owners and enthusiasts, prepare yourself for the problem in your future.

Lots of research on solid-state battery tech too.

On top of that - in many instances for EVs, extended range versions of a vehicle don't involve a different battery ... but instead involve software that simply utilizes energy more effectively/efficiently. Thus, the interface controlling how the battery is used is also of critical importance.
You can only go so far with software improvements - those are mainly incremental.

Much of the problem is the physics of charge/discharge, and overheating.
That said, Li-ion batteries are very finicky; they don't like overcharging, undercharging or overheating. So software-based monitoring each cell is critical to maintaining safety and maximizing performance.
 
Well, Telsa, alone, has installed a quarter million of their "power walls" to charge their cars.
So, it's a reasonable bet that north of 500,000+ people charge their EVs with their own solar. Anyone with solar panels and an EV charges at home, overnight. So, look up solar panel installs in the US and EV sales if you want a rough picture of what those numbers look like.

So not all of them then,.. I would agree with that.
 
New EV Prototype Leaves Range Anxiety in the Dust

Mercedes-Benz’s Vision EQXX completed a record-breaking 747-mile run in May

Not long ago, a 300-mile range seemed like a healthy target for electric cars. More recently, the 520-mile (837-kilometer) Lucid Air became the world’s longest-range EV. But that record may not stand for long.
The Mercedes-Benz Vision EQXX, and its showroom-bound tech, looks to banish range anxiety for good: In April, the sleek prototype sedan completed a 621-mile (1,000-km) trek through the Alps from Mercedes’s Sindelfingen facility to the Côte d’Azur in Cassis, France, with battery juice to spare. It built on that feat in late May, when the prototype covered a world-beating, bladder-busting 747 miles (1,202 km) in a run from Germany to the Formula One circuit in Silverstone, England.
This wasn’t your usual long-distance, college-engineering project, a single-seat death trap made from Kleenex and balsa wood, with no amenities or hope of being certified for use on public roads. Despite modest power, a futuristic teardrop shape, and next-gen tech, the EQXX—developed in just 18 months—is otherwise a familiar, small Mercedes luxury sedan. That includes a dramatic sci-fi display and human-machine interface that spans the full dashboard. To underline real-world intent, Mercedes vows that the EQXX’s power train will reach showrooms by 2024. An initial showroom model, and surely more to come, will be built on the company’s new Mercedes Modular Architecture platform, designed for smaller “entry-luxury” models such as the A-Class and the CLA Coupe. While Mercedes was refining its one-off tech showpiece, it even used a current EQB model as a test mule for the power train.
“The car is an R&D project, but we’re feeding it into the development of our next compact car platform,” says Conrad Sagert, an engineer at Mercedes who is developing electric drive systems.

Coming eventually....an EV that can run the Indy 500 w/o having to make any fuel pit-stops (only tires)
 
1. EVs are powered by fossil fuels. According to the U.S. Energy Information Administration (EIA), fossil fuel-based power plants — coal, oil, or natural gas — create about 60% of the nation’s electrical grid, while nuclear power accounts for nearly 20%.
2. The batteries of EVs rely on cobalt. An estimated 70% of the global supply of cobalt emanates from the Democratic Republic of the Congo, a country with deplorable working conditions, especially for children.
3. A study released earlier this year by an environmental group showed that nearly one-third of San Francisco’s electric charging stations were non-functioning. The population of San Francisco represents roughly two percent of California.
4. Supporters of the California law admit there will be a 40% increase in demand for electricity, adding further strain to the grid and requiring increased costs for power and infrastructure.
5. According to one researcher, the strain of adding an EV is similar to adding “1 or 2 air conditioners” to your home, except an EV requires power year-round.
6. Today, 20 million American families, or one in six, have fallen behind on their electric bills, the highest amount ever.
7. Utility companies will need to add $5,800 in upgrades for every new EV for the next eight years in order to compensate for the demand for power. All customers will shoulder this cost.
8. The average price for an electric vehicle is currently $66,000, up more than 13% in just the last year, costing an average of $18,000 more than the average combustible engine. Meanwhile, the median household income is $67,521. For African American families, the average is $45,870, and for Hispanic households, $55,321.
9. A 2022 study found that the majority of EV charging occurs at home, leaving those who live in multi-family dwellings (apartments) at a real disadvantage for charging.
10. The same study also noted that many drivers charge their EVs overnight when solar power is less available on the grid.
(powerofthefuture.com)
 
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