California regulators just disclosed the Tesla Semi's… · Tesla Shorts 🚀

        May 8, 2026

California regulators just disclosed the Tesla Semi's… · Tesla Shorts 🚀

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Ep 466 · May 8, 2026

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Episode 466 · California regulators just disclosed the Tesla Semi's battery sizes at 822 kWh and 548 kWh.
2026-05-08
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> **California regulators just disclosed the Tesla Semi's battery sizes at 822 kWh and 548 kWh.**
> **---**
### Top 10 News Items
1. **Tesla Semi’s official battery capacity leaked by California regulators:** May 08, 2026, Teslarati
   A regulatory filing confirmed the exact battery sizes inside each Tesla Semi variant. The larger pack supports the higher-range configuration while the smaller one fits the more affordable trim. This gives fleets concrete data to plan routes and charging infrastructure. Source: [teslarati.com](https://www.teslarati.com/tesla-semi-truck-battery-size-specs/)

2. **Tesla Semi official battery specs revealed by CARB at 822 kWh, 548 kWh for two trims:** May 08, 2026, eletric-vehicles.com
   California Air Resources Board documents list the two battery options now entering production. The numbers align with earlier hints that the truck would need substantial energy capacity for heavy-haul duty. Fleets can now model total cost of ownership more accurately. Source: [Google News](https://news.google.com/rss/articles/CBMirwFBVV95cUxNUmNwNWZ4S3hBdWJ5MGl0Vjh0cWVyZVpnVU9nM1Nmc3JkQ3RXbzlQczhCbE9NOS1zRnZQNnlvVVBjblB2bUZFWDRRd2t4SmptSVVyMXk1QTNnTlBqQ2w3N05fWG1rVnNzVHBWTElYbEI2NHhydFhGVUNyaEMyOE1JVFZ4WmxZUWtXWkp6YWZKZ3R0Q3h0NXB5MnVObmw5NE9pLU1JMWJ4bmRNdG9KUk9z?oc=5)

3. **Tesla launches new blue colors for higher Model Y and Model 3 trims:** May 08, 2026, Tesla Oracle
   Marine Blue is now available on the Premium versions of both vehicles for an extra $1,000. The option expands color choices without affecting lower trims. Buyers in the U.S. can order it immediately. Source: [Google News](https://news.google.com/rss/articles/CBMiqgFBVV95cUxPLVAyZldUeFlvYVh3dzZ4Y2d5Vmt2OS1oLW05Sl83VjdNdHlVRTBJNTUzaWZ6NDJ2QjJYbjI0NTRRNE03cmRWcjAycHhCTk5aYk1KUWEtTXFZdlF4N2tZZ29pR3c0amxWel9vaXZENTJTZFA5TUlGN3VkbmZMcHhxb2JpUzFKOFU1WHFBRFhpQW5sTkM5TFdzUzdCSkptbHZ6VVBJck9tS0ptQQ?oc=5)

4. **Tesla tops the U.S. brand loyalty rankings:** May 08, 2026, EVANNEX
   S&P Global Mobility data shows 61.1 percent of Tesla owners return for their next vehicle. The ranking reflects satisfaction with software updates, charging access, and resale values. It places Tesla ahead of every other brand tracked. Source: [evannex.com](https://evannex.com/blogs/news/tesla-tops-the-u-s-brand-loyalty-rankings-here-is-why-owners-keep-coming-back)

5. **With Tesla Big Rigs rolling out, California can breathe easier:** May 08, 2026, Mother Jones
   The first customer Semis are entering service on California routes. Zero-tailpipe-emission trucks directly cut freight-related pollution in the state’s busiest corridors. Regulators see the rollout as a measurable step toward air-quality targets. Source: [Google News](https://news.google.com/rss/articles/CBMizgFBVV95cUxQSC1UVFZ6dW9MMzJTVjh5R215dXBWWlZXR3I2aW92Zk1kbHJPMWZpZmh5V1k2WmZsYnZnT1F2Smd3WUdPUUM1THNCd1NLOXFxckJ3cWhWODdlUVZhVVJFU1MyY3NCSVlDTTV1MEpfaW9KUnFNX3R0SGMxbkZOVWsxa2FEN3JQT2pXa1RJTGJxU0ZIVURwejhBeGhLSkk5enJoZVY4RkNCV3BieXIxSG9CemtER1BHeXpCWlVNTWJMTGFDRzB0Y3FXOXk4WDBsdw?oc=5)

6. **Now Tesla wants to be a power company with new solar panel and battery offer:** May 08, 2026, The Independent
   Tesla is bundling solar panels with Powerwall storage for residential customers. The package aims to reduce household reliance on grid power during peak hours. It extends Tesla’s energy business beyond vehicles. Source: [Google News](https://news.google.com/rss/articles/CBMimAFBVV95cUxPQjhmNEZnbXdaaFU4NWloc0Vza3hOTDFfZzYyTXV1S2VKbnZ3ZlZGbzFRSDVBaGx3Q3Z5ZnprYS1oMXU1UlJaZDBxRkQ2ZTBLc1laTFBsX2FDZGF5SFdtYTBCSm9iQ25LYmVyODdWY2RuSEhhNlZhVHo5T0xjcE1EcnM1ejA3Q0Z1UmdUREZadWszVHRWVERkcg?oc=5)

7. **Tesla filed a new Roadster trademark:** May 08, 2026, Motor1.com
   The filing updates the original Roadster name and design marks. It keeps the model legally protected even as production remains years away. Observers see it as routine housekeeping rather than an imminent launch signal. Source: [Google News](https://news.google.com/rss/articles/CBMigAFBVV95cUxQX3BDX2RtcU9CYlBGT2M2amkySEV0QmRGVXpRV3lOSURieUFXcnRJbU9tWGtmUzByTk0yTTh4dFBaNnhKaWxLX21MajlfaGJ5c0hhVkpnWEJiTDBScmNTVFo1MHRidlRua1Rlc2p5bjktaFJDelRoWHUxdnRSdlhuRw?oc=5)

8. **Tesla faces backlash in Canada after lowering Model 3 charging speed, warranty:** May 08, 2026, eletric-vehicles.com
   Canadian buyers noticed the Model 3 Premium RWD now caps at 175 kW on Superchargers and carries a shorter warranty. The changes were not widely communicated before orders opened. Owners are questioning whether the Canadian spec still justifies the price. Source: [Google News](https://news.google.com/rss/articles/CBMiswFBVV95cUxPV1doZGFQcktMT01TZWZicHVLRGRCRktteGxCaEJwV0lsaXluVEhSVHJJOTJER3lwUHlqR3FvRU8tTUthendNdDFqT19HbDlYR1pIZEFLbE8wSG5iVzhOeTBHdUtoUU55TmdtV0p6aXRET1hGdnp2dy01Q2hleXBIbkRQd0pSTVhSeFc2QWxfaVJNdVpzanRWU3I0SjZ5ZmFkMHJyV044ajl1SUJPSXFQZ0ZvVQ?oc=5)

9. **TL;DR: Terahertz scanners for Tesla dry battery production:** May 08, 2026, TSLAming
   A newly published patent describes non-ionizing terahertz sensors that measure electrode thickness and density in real time. The system replaces slower, hazardous X-ray checks and allows continuous adjustment on the line. It targets scrap reduction as Tesla scales dry-electrode output. Source: [x.com](https://x.com/tslaming/status/2052714882899083689)

10. **Tesla Model Y & Model 3 get new Marine Blue color option:** May 08, 2026, Teslarati
    The color joins the Premium trims in the U.S. configurator at a $1,000 premium. It gives buyers another distinctive finish without changing paint processes on base models. Early orders are already appearing in the system. Source: [x.com](https://x.com/Teslarati/status/2052555503792787547)

## Tesla X Takeover: What's Hot Right Now
Here are the most interesting, fresh Tesla developments that have everyone talking.

1. **Cybertruck powers tools and protects from bullets** - Tesla posted a short video highlighting the truck’s onboard power outlets, bullet resistance, and acceleration. Owners are sharing real-world uses for the power outlets on job sites. The post reinforces the vehicle’s multi-purpose design beyond daily driving. Source: [x.com](https://x.com/Tesla/status/2052506521058390056)

2. **Sunwoda battery specs clarified for Canadian Model 3** - A follow-up post explained that the 62.5 kWh pack supports up to 250 kW charging even though Tesla currently limits the Canadian car to 175 kW. The clarification addresses confusion over why the hardware capability is not fully enabled. It points to software or thermal tuning still being refined for the market. Source: [x.com](https://x.com/tslaming/status/2052702719182614945)

3. **Battery tech expected to improve cold-weather performance** - Recent comments noted that next-generation cells should deliver better range and faster charging in low temperatures. The improvement would also simplify the thermal management hardware. Builders are watching for the first production vehicles to carry the new chemistry. Source: [x.com](https://x.com/tslaming/status/2052691105234501687)

4. **Cybertruck safety record draws praise from critics** - A Teslarati article points out that even longtime skeptics are acknowledging the truck’s structural performance in recent tests. The piece collects footage and statements showing the vehicle exceeding expectations in side-impact and rollover scenarios. It highlights how real-world data is shifting some opinions. Source: [teslarati.com](https://www.teslarati.com/tesla-cybertruck-too-safe-even-musk-biggest-critics-ignore/)

5. **Possible Cybercab accident photo circulates** - A single image posted earlier today prompted quick discussion about whether it shows a prototype in a minor incident. The photo is low-resolution and unconfirmed, yet it has already generated safety and timeline questions. Community members are waiting for official clarification or additional context. Source: [x.com](https://x.com/Teslarati/status/2052542698590994802)

## Short Spot
**Tesla faces backlash in Canada after lowering Model 3 charging speed, warranty:** May 08, 2026, eletric-vehicles.com
Canadian buyers discovered the Model 3 Premium RWD is now limited to 175 kW charging and carries a shorter warranty than previously expected. The changes were not highlighted before orders opened, leaving some customers feeling the Canadian specification no longer matches the price. Tesla has not yet issued a public explanation for the adjustments. Source/Post: https://news.google.com/rss/articles/CBMiswFBVV95cUxPV1doZGFQcktMT05TZWZicHVLRGRCRktteGxCaEJwV0lsaXluVEhSVHJJOTJER3lwUHlqR3FvRU8tTUthendNdDFqT19HbDlYR1pIZEFLbE8wSG5iVzhOeTBHdUtoUU55TmdtV0p6aXRET1hGdnp2dy01Q2hleXBIbkRQd0pSTVhSeFc2QWxfaVJNdVpzanRWU3I0SjZ5ZmFkMHJyV044ajl1SUJPSXFQZ0ZvVQ?oc=5

### Tesla First Principles

Taking a step back from today’s headlines, the quiet release of a terahertz scanning patent for dry electrode lines challenges the assumption that Tesla’s manufacturing edge comes mainly from software and vertical integration of cells. The system uses non-ionizing light pulses to measure film thickness, density, and basis weight at 0.05-millimeter resolution while the line keeps moving, replacing slower and more hazardous X-ray methods. That real-time feedback loop directly attacks scrap rates, one of the largest cost drivers when scaling solvent-free electrode production.

The patent describes sensors placed around calender rollers that adjust gap, shear, and line load on the fly, plus periodic self-calibration against physical markers and lab samples. Because the beam bounces off top and bottom surfaces independently, engineers obtain depth information that transmission X-rays cannot provide. This matters for next-generation materials such as silicon anodes or carbon-nanotube additives that are more sensitive to compression variations than today’s graphite.

If the approach works at full line speed, it reduces the factory footprint needed for quality control and supports the higher throughput required for millions of vehicles per year. The technology therefore sits at the intersection of process physics and capital efficiency rather than depending solely on chemistry breakthroughs or software updates. It shows how incremental sensing improvements can compound into meaningful cost and scale advantages long before any new cell chemistry reaches the assembly line.

Feedback welcome at [@teslashortstime](https://x.com/teslashortstime).
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Issue #466 · Tesla Shorts Time · May 8, 2026

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