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SpaceX Texas test HQ fires up a dozen Falcon, Starship rocket engines in six hours
Though it often falls under the radar relative to SpaceX’s high-profile Boca Chica Starship hub, another even more important Texas outpost appears to be busier than ever testing the rocket engines and boosters instrumental to all SpaceX operations.
Famous for occasionally supporting half a dozen or more rocket tests on busy days, SpaceX’s McGregor, Texas facilities showed off exactly that kind of rapid-fire activity on Friday, March 19th, flexing the sheer variety and volume of rocket hardware liable to pass through its gates.
Located on the grounds of a former US military explosives factory, SpaceX’s McGregor, Texas rocket development and test facilities have been testing Falcon, Dragon, and Starship parts and supporting each program’s development for a decade and a half. After being fabricated and assembled in Hawthorne, California, virtually every single active propulsive component SpaceX has ever flown has spent some amount of time in McGregor.
For boosters, every cold gas maneuvering thruster is qualified in Texas before being sent back to Hawthorne for final installation. Each stage’s nine Merlin 1D engines are individually tested in McGregor, shipped back to Hawthorne, installed on a booster, shipped back to McGregor, and static fired as an integrated first stage before SpaceX deems a Falcon 9 or Falcon Heavy core ready for flight. The exact same process (separate engines and thruster qualification followed by integrated vehicle testing) is performed with Falcon upper stages and their Merlin Vacuum engines, as well as all Dragon spacecraft and their Draco (and SuperDraco) thrusters. The same is true for the two Raptor engine variants and cold-gas thrusters that power Starship.
On March 19th, nearly all of those different engines and vehicles – and the separate stands used to test each of them – came together for an exceptionally busy day at McGregor. According to local resident Reagan (@bluemoondance74), who lives within earshot of SpaceX’s extraordinarily busy rocket testing HQ, at least five unique tests were performed in just six hours – all but one of which was squeezed into the last ~125 minutes.
Around 2:40 pm, an unknown test – possibly a Merlin Vacuum (MVac) or Merlin 1D (M1D) engine – kicked off the salvo. Four hours later, SpaceX completed arguably the most significant test of the day, firing up the first Falcon Heavy center core to head to McGregor in almost 24 months. Assuming that static fire was a success, the booster will be inspected, have its tanks cleaned, and be shipped to Florida to complete the first stage of SpaceX’s fourth Falcon Heavy rocket for a launch as early as July.
An hour and a half after the Falcon Heavy center core’s static fire, SpaceX fired up a Raptor engine (either a sea level or vacuum variant), followed by another likely M1D or MVac test just minutes later. Finally, at 8:52 pm, SpaceX ignited a second Raptor engine at an entirely separate vertical test stand (known as the tripod stand) recently modified to support testing Starship engines in a more flight-like configuration. Altogether, assuming no repeated tests, SpaceX effectively tested a booster and 13 (9+4) rocket engines in a little over six hours.
More likely than not, one or both of those Raptors will soon find themselves on a Starship or Super Heavy prototype in Boca Chica. The M1D and/or MVac engines will assuredly find a place on a future Falcon booster or upper stage. The Falcon Heavy center core (B1065 or B1066) is scheduled to launch as early as July 2021 and will be the first of its kind to fly in an intentionally expendable configuration. Another Falcon Heavy center core – possibly B1067 – will likely also find itself in McGregor within the next few months for the rocket’s fifth launch, scheduled no earlier than (NET) October 2021.
All told, SpaceX’s McGregor rocket testing HQ is about as busy as – if not busier than – it’s ever been as the company works towards an unprecedentedly ambitious 48-launch 2021 manifest, builds and flies at least four Dragon spacecraft, and pursues an even more ambitious effort to begin orbital Starship launches this summer. Quieted away in rural Texas, McGregor may largely go unnoticed but its infrastructure remains as integral as ever for virtually every single SpaceX project – past, present, and future.
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These Tesla Superchargers are free today for Earth Week
Canada and other countries are missing on the free Earth Week Supercharging map, while the U.S. state of California gets the promo at two sites.

Tesla has made several of its Supercharging stations free in markets around the world over the weekend, in order to commemorate Earth Day, which took place earlier this week.
On Friday, Tesla posted on its charging account on X that it would be offering free Supercharging across 30 select stations on Saturday in celebration of Earth Day and Week. The chargers are set to be free during daytime work hours, and they’re scattered in locations across Europe, North America, and the Asia-Pacific region.
Tesla also says it may have employees handing out “goodies” at some of the sites, though the company didn’t disclose what they would be.
“Closing out Earth Week with free charging at the following Superchargers on April 26th,” Tesla writes. “You might even catch some Tesla employees with goodies!”
In the U.S., the Supercharger stations offering free charging include two located in California, along with one each in Florida, Arizona, Illinois, and New Jersey. The company is also offering free Supercharging in Nuevo León, Mexico, in the city of Monterrey.
You can see the full list of free Supercharger locations below, along with the times the offer is still available on Saturday.
READ MORE ON TESLA SUPERCHARGERS: Tesla’s Hollywood Diner is finally getting close to opening
Tesla Superchargers offering free charging on Saturday, April 26
Europe (9:00 a.m. to 6:00 p.m.)
- Cork, Ireland
- London, UK – Gatwick
- Leeds, United Kingdom
- Aalborg, Denmark
- Rødovre, Denmark
- Espoo, Finland
- Tampere, Finland
- Löddeköpinge, Sweden
- Mantorp, Sweden
- Hamburg, Germany
- Hilden, Germany
- Köln – Carlswerk, Germany
- Dietikon, Switzerland
- Warsaw, Poland – Radzymińska
- Les Pennes-Mirabeau, France
- Montélimar, France
- Jamné, Czech Republic
North America (9:00 a.m. to 6:00 p.m.)
- Santa Monica, CA
- Kettleman City, CA
- Phoenix, AZ – East Mayo Boulevard
- Des Plaines, IL
- Fort Pierce, FL – Peters Road
- Mount Laurel Township, NJ – NJ-73
- Monterrey, NL
Asia-Pacific
- Singapore – Tesla Centre Toa Payoh (10:00 a.m. to 7:00 p.m.)
- Georgetown, Malaysia – Gurney Plaza (10:00 a.m. to 10:00 p.m.)
- Samut Prakan, Thailand – Mega Bangna – IKEA Carpark (10:00 a.m. to 10:00 p.m.)
- Mandaluyong, Philippines – Shangri-La Plaza (10:00 a.m. to 10:00 p.m.)
- Seoul Gangnam, South Korea – Construction Building Floor G (9:00 a.m. to 7:00 p.m.)
- Taipei, Neihu – Service Centre (9:00 a.m. to 7:00 p.m.)
Tesla’s Superchargers in North America opening to non-Tesla EVs
Along with allowing Tesla’s vehicles to charge at Supercharger stations, the company has slowly been rolling out access to other, non-Tesla electric vehicle (EV) brands in North America over the past several months. For example, Superchargers opened to Kia’s EVs in North America on Thursday, increasing the company’s chargers to the over 40,000 DC fast-charging stations and doubling the number of stations owners of the car brand can use.
Other brands with access to Tesla’s Superchargers include Kia parent company Hyundai, Ford, GM, Genesis, Lucid, Mercedes, Nissan, Polestar, Rivian, and Volvo, and Volkswagen and subsidiary Audi are the next brands in line to gain access.
Tesla also runs three-month Supercharger voting periods for owners to cast votes on where they’d like to see new Superchargers built, and the company recently opened its voting round for the second quarter along with revealing the winning locations from Q1.
Tesla Superchargers were over 10 times as reliable as these rivals
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Tesla Model Y and Model 3 still kings of Europe BEVs in March 2025: JATO
The Tesla Model 3 and Model Y remained the kings of Europe’s battery electric vehicle sector in March 2025.

Reports of Tesla’s death in Europe have been wildly exaggerated. This was recently highlighted by JATO Dynamics, which noted that Tesla’s decline in Europe actually slowed down in March.
As per JATO Dynamics data, the Tesla Model 3 and Model Y also remained the kings of Europe’s battery electric vehicle sector in March 2025.
Tesla Europe’s Q1 2025
Tesla’s decline in January and February 2025 in Europe has resulted in quite a lot of alarmist reports about the electric vehicle maker. While Tesla noted in its Q1 vehicle delivery report that its sales decline was mostly due to the changeover to the new Model Y, critics nonetheless argued that Tesla’s brand has been utterly destroyed by the politics of CEO Elon Musk.
A look at JATO’s recent report, however, suggests that Tesla is starting to show some recovery in Europe. While Tesla saw a 38% year-over-year decline in the first quarter overall, the company’s drop became less severe as the quarter ended. In January, Tesla Europe recorded a severe 47% drop, and in February, the company’s year-over-year decline dropped to 44%. In March, Tesla Europe’s year-over-year decline had dropped to just 30%.
Interestingly, Felipe Munoz, Global Analyst at JATO Dynamics, noted that the Tesla Model 3 became a valuable player in the company’s Europe numbers in March. “As the brand continues to deal with a host of PR issues in addition to the changeover of the Model Y, Tesla is now relying on the Model 3 to offset the losses,” Munoz stated.
Tesla Model Y and Model 3 Still Dominates
Granted, Tesla’s decline in the first quarter in Europe paved the way for Volkswagen to become the region’s top BEV seller for Q1. However, when it came to the sales of individual BEVs in the region, the Tesla Model Y and Model 3 remained unstoppable. What was especially interesting was the fact that the Model Y and Model 3 topped Europe’s battery electric vehicle rankings in March despite the vehicles seeing a year-over-year decline in sales.

The Model Y topped Europe’s best-selling BEV list in March with a total of 15,164 units sold. Following the Model Y was the Model 3, which saw a total of 12,500 units sold in March. The mass market Tesla siblings’ sales figures were notably higher than their closest competitors. The Volkswagen ID.4, which was ranked 3rd, only saw sales of 7,675 units, and the Volkswagen ID.7, the 4th-best-selling BEV in Europe in March, only sold 7,438 units during the month.
“Despite the controversy surrounding the brand’s CEO and the limited availability of the new Model Y, Tesla continues to perform well as the most popular EV brand in Europe. Its success, amid these challenges, provides an indication of what European consumers are looking for in an EV,” Munoz stated.
News
Anti-Elon Tesla sticker maker confirms some customers don’t disapprove of Musk
Some of Hiller’s customers may not necessarily disapprove of Elon Musk’s politics or his work with the Trump administration.

Amidst the ongoing controversies and campaigns against Tesla CEO Elon Musk, Hawaii-based entrepreneur Matthew Hiller has made a killing. Hiller is the man behind some of the most popular anti-Elon Musk stickers that have been spotted in Teslas over the past months.
But in a recent comment to NPR, Hiller shared something rather interesting—some of his customers are purchasing stickers even if they do not necessarily disapprove of Elon Musk.
Business Boom
In a comment to NPR, Hiller, who also works at an aquarium in Hawaii, noted that he listed his first anti-Musk sticker in his online shop MadPufferStickers in 2023. The sticker read, “I bought this before we knew Elon was crazy.” At the time, Hiller noted that Musk was “sort of becoming a bully and sort of pushing disinformation.” While Hiller actually considered buying his own Tesla in the past, Musk’s actions ended up disillusioning him from the company.
“I thought they were very cool. I liked the tech. I liked the fact that they were good for the environment… I mean, some things are more important than just tech, you know, like, I just don’t want to support someone who is so against who I am and what I believe. It was a choice and I didn’t want to be just confused for someone who supported him or agreed with him,” Hiller stated.
The entrepreneur’s sticker business saw a notable boost in recent months, especially following the election of U.S. President Donald Trump. Hiller has since expanded his sticker lineup, with popular ones like “Anti Elon Tesla Club,” “Elon is a dogebag,” and “Elon killed my resale value.” Hiller has sold about 70,000 stickers, magnets, and clings across his online shops on Amazon, Etsy, Redbubble, and eBay so far.
Surprising Clientele
With his business rising, Hiller noted that he has received orders from across the globe, allowing him to reach sales of $100,000 in one month. This was no surprise as Musk has become a controversial figure, not just in the United States but in several countries across Europe as well. When Musk performed his controversial gesture in January alone, Hiller recorded 500 sales in one day.
Most surprisingly, however, some of Hiller’s customers may not necessarily disapprove of Elon Musk’s politics or his involvement with the Trump administration through his work with the Department of Government Efficiency (DOGE). Hiller shared a transaction on his Etsy store to NPR, which involved a sticker that was ordered by a father to his son, who lived in Los Angeles.
“Occasionally, I get people on my Etsy store, they buy a sticker as a gift, and then they get to write a little note along with the gift to the recipient. And occasionally I read the notes and I see one that says like, ‘Happy birthday, from dad. This is to protect you on the mean streets of L.A.,’” Hiller noted.
The customer’s note is not surprising considering that Teslas have been subjected to a wave of vandalism attacks from people or activists who are critical of Elon Musk. The Tesla vandalism incidents, as well as Molotov and shooting attacks on Tesla stores, have been condemned by the Trump administration.
Not a Full-Time Gig
Despite his business boom, Hiller noted that he does not intend to leave his aquarium job yet, nor does he intend to sell stickers full-time. Thus, even if the Elon Musk controversies ended tomorrow, the entrepreneur noted that he would be fine.
“If it ended tomorrow, I’m totally fine. You know, I didn’t set out to do this. And it’s certainly not my business plan going forward. I mean, it’s not a really good business plan to bank on a billionaire just annoying people forever,” Hiller stated.
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