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Ford’s 1.25-million-pound F-150 EV demo was easier than it looked, explains engineer
Last week, Ford made headlines when it released a video of its upcoming F-150 electric pickup truck pulling what could only be described as an unreal amount of weight. In the demonstration, the upcoming vehicle pulled ten double-decker rail cars, both empty and loaded with 42 gas-burning F-150s. The weight of the rail cars with the pickups in them was a whopping 1.25 million pounds, but the F-150 EV was able to pull everything without any issue.
The demonstration was incredibly impressive, instantly eclipsing the feats of strength from other notable vehicles like the Tesla Model X, which pulled a Boeing 787 Dreamliner, and the Toyota Tundra, which towed a Space Shuttle. According to auto enthusiast and mechanical engineer Jason Fenske of YouTube’s Engineering Explained channel, though, Ford’s demonstration is actually far easier than it looked.
Fenske notes that both the 787 Dreamliner and Space Shuttle pulled by the Model X and Tundra rode on rubber tires. On the other hand, the rail cars pulled by the electric Ford F-150 rested on steel wheels riding on steel railroad tracks. This, the engineer explains, makes a notable difference, particularly with regards to the coefficient of rolling resistance (the ratio of the force required to pull a rotational mass).
“Steel does not deform much at all, which is why railroads use steel wheels on steel tracks. This adds up to an extremely low coefficient of rolling resistance—about 0.0015. To pull a 10,000-pound train across a level surface, you only need a 15-pound force. For a truck to move a 1.25-million-pound train, it only requires about 1,875 pounds of force,” Fenske wrote.
The engineer adds that generally, the maximum force a 4WD truck can generate will be equivalent to its weight, mostly due to the grip of its tires. Since the electric Ford F-150 prototype used in the demonstration was most certainly over 1,875 pounds, it would really have no issues pulling the 1.25-million-pound load. Had the F-150 EV attempted such a feat with a load equipped with pneumatic tires on pavement, the demonstration would most definitely have resulted in a much different outcome.
Fenske’s points were outlined in an article on Road & Track, which delved more into the math behind Ford’s demonstration. A Ford spokesperson has responded to Fenske’s arguments, pointing out that the engineer’s calculations did not evaluate acceleration. The engineer wrote that he is currently waiting for Ford to provide more information about the demo, in order to calculate exactly how much power the demonstration took.
While the F-150 EV’s feat of strength could be explained by the automaker’s choice of cargo, the demonstration remains pretty impressive nonetheless. It does, if any, raise interest in the upcoming vehicle. Unfortunately, Ford Chief Product Development Officer Hau Thai-Tang noted during an interview with Yahoo Finance’s The First Trade that the all-electric version of the F-150 is still “a couple of years out,” though a hybrid version will be released in 2020.
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Tesla Model Y L sold out for September 2025
This was hinted at in Tesla China’s configurator for the all-electric crossover.

It appears that the Tesla Model Y L has been sold out in China for September 2025. This was hinted at in Tesla China’s configurator for the all-electric crossover.
Model Y L deliveries
Since the Model Y L’s official launch earlier this month, Tesla has been pretty consistent in the idea that the extended wheelbase variant of its best-selling vehicle will see its first deliveries sometime in September. This was quite an impressive timeframe for Tesla, considering that the Model Y L has only been launched this August.
Nevertheless, both Tesla China’s Model Y configurator and comments from company executives have noted that the vehicle will see its first customer deliveries in September. “Tesla cars are fun to drive alone, whether you have children or how many children, this car can meet all your needs. We will deliver in September and wait for you to get in the car,” Tesla China VP Grace Tao wrote on Weibo.
October 2025 deliveries
A look at Tesla China’s order page as of writing shows that the earliest deliveries for the Model Y L, if ordered today, would be October 2025 instead. This suggests that the six-seat Model Y variant has effectively been sold out for September. This bodes well for the vehicle, and it suggests that it is a variant that may be able to raise Tesla’s sales numbers in China, as well as territories where the Model Y L could be exported.
Rumors of the Model Y L’s strong sales have been abounding. After the vehicle’s launch, industry watchers estimated that Tesla China has received over 35,000 orders for the Model Y L in just one day. Later estimates suggested that the Model Y L’s orders have breached the 50,000 mark.
News
Starship Flight 10 rescheduled as SpaceX targets Monday launch
SpaceX said it is now targeting Monday evening for Starship’s 10th flight test.

SpaceX stood down from its planned Starship Flight 10 on Sunday evening, citing an issue with ground systems.
The launch attempt was scheduled during a one-hour window that opened at 7:30 p.m. ET, but it was called off just 17 minutes before the window opened. SpaceX said it is now targeting Monday evening for Starship’s 10th flight test.
Flight 10 rescheduled
A lot of excitement was palpable during the lead up to Starship Flight 10’s first launch window. After the failures of Starship Flight 9, many were interested to see if SpaceX would be able to nail its mission objectives this time around. Starship itself seemed ready to fly, with the upper stage being loaded with propellant as scheduled. Later on, SpaceX also noted that Starship’s Super Heavy booster was also being loaded with propellant.
However, 17 before the launch window opened, SpaceX noted that it was “standing down from today’s tenth flight of Starship to allow time to troubleshoot an issue with ground systems.” Elon Musk, in a post on X, further clarified that a “ground side liquid oxygen leak needs to be fixed.” Musk did state that SpaceX will attempt Flight 10 again on Monday, August 25, 2025.
Starship and SpaceX’s development goals
The fully integrated Starship system is the tallest and most powerful rocket ever built, standing over 400 feet when stacked. Composed of the reusable Super Heavy booster and the Starship upper stage, the vehicle is central to SpaceX’s long-term ambitions of lunar and Martian missions. NASA has already selected Starship as the crewed lunar lander for Artemis, with its first astronaut landing mission tentatively set for 2027, as noted in a Space.com report.
So far, Starship has flown nine times from Starbase in Texas, with three launches this year alone. Each flight has offered critical data, though all three 2025 missions encountered notable failures. Flight 7 and Flight 8 ended in explosions less than 10 minutes after launch, while Flight 9 broke apart during reentry. Despite setbacks, SpaceX has continued refining Starship’s hardware and operations with each attempt. Needless to say, a successful Flight 10 would be a significant win for the Starship program.
News
Tesla makes big change to encourage Full Self-Driving purchases
Tesla Full Self-Driving was recently proven to be about ten times safer than a human driver in terms of accident frequency.

Tesla has made a big change to its Online Design Studio, hoping to encourage car buyers to purchase Full Self-Driving with their vehicles.
Now, when you look at ordering a car on Tesla’s website, the portion of the page that formerly showed a render of Full Self-Driving capabilities has been replaced by a compilation of the suite’s performance in a variety of challenging scenarios.
It’s a great way to show off FSD’s impressive ability to work through road conditions that can even stump human drivers.
🚨 Tesla is now showing a Full Self-Driving demo on its Design Studio to help encourage people to buy the suite for their new cars pic.twitter.com/RwhqbSStzs
— TESLARATI (@Teslarati) August 24, 2025
The move is much better than what the page previously illustrated. Now, people can see the true capabilities of the FSD suite and what it could do to change their perspective on how vehicles can be. Instead of a vessel of transportation, FSD turns cars into a semi-autonomous mode of travel.
Tesla Full Self-Driving is statistically very safe, logging about ten times the number of miles between accidents as human drivers, based on recent data the company released.
Tesla Q2 2025 vehicle safety report proves FSD makes driving almost 10X safer
It is available for purchase in two different ways: an outright purchase for $8,000 or in a monthly subscription for $99. This enables the software to essentially do a vast majority of the legwork of driving. Drivers must keep their eyes on the road and be prepared to take over if an intervention is needed.
However, FSD has been proven to be a very accurate and safe way to travel. Tesla recently released a video of a drive from the Bay Area to Los Angeles, a nearly seven-hour trip, under FSD without a single intervention ever needed:
Tesla flexes its most impressive and longest Full Self-Driving demo yet
From a personal perspective, Tesla Full Self-Driving is a great way to travel because it truly takes a lot of the stress out of driving. In the past, I’ve used it during weekend Demo Drives to navigate around my town to see if it could handle some of the tougher traffic in my area. It became such an amazing and convenient alternative that when I went back to my car, I truly missed the advantage of having it.
I took a Tesla Model Y weekend-long Demo Drive – Here’s what I learned
However, I am picking up my Tesla Model Y this coming weekend and will enjoy it for the free three months before subscribing to the monthly program.
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