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Why Musk is supporting former Exxon Mobil CEO for Secretary of State

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President Donald Trump greets Wendell P. Weeks, right, Chief Executive Officer of Corning, as he host breakfast with business leaders in the Roosevelt Room of the White House in Washington, Monday, Jan. 23, 2017. On the left of is Elon Musk, CEO of SpaceX and Tesla Motors. (AP Photo/Pablo Martinez Monsivais)

Elon Musk shocked social media when he tweeted an endorsement of Rex Tillerson as the next US Secretary of State on Tuesday. Musk has a few good things to say about Donald Trump leading up to his Presidency and Trump’s choice of the former CEO of Exxon Mobil seems to be a slap in the face to anybody who is concerned about global warming and the role fossil fuels have played in it.

Exxon Mobil is currently being investigated by the attorneys general of the New York and Massachusetts. Both contend the company knew of the harm that burning fossil fuels could do to the environment 40 years ago but elected to spend billions funding special interest groups to oppose the climate change message being put forth by James Hansen, The Union of Concerned Scientists, and others.

Weaning the world off fossil fuels is one of the central themes of Elon Musk’s plan to build compelling electric cars and promote solar power. What could he possibly find appealing about the CEO of the largest oil company in the world?

Yesterday, The Economist endorsed Tillerson and Musk tweeted shortly afterwards that he agreed with The Economist.

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Musk added, “Rex is an exceptionally competent executive, understands geopolitics and knows how to win for his team. His team is now the USA. I share The Economist’s opinion that he should be given the benefit of the doubt unless his actions prove otherwise.

Has Elon deserted his loyal fans who tend to be rather more ecologically aware than the norm? Apparently not. Later in the day, he revealed the reason why he supports Tillerson for Secretary of State.

Musk is betting that Tillerson will be able to influence Donald Trump to accept a carbon tax, something Musk has been advocating for since he first joined Tesla Motors. It is a way to eliminate what economists refer to as an “untaxed externality,” something that is a cost of doing business that is not incorporated into the price of finished goods.

Musk delicately refers to the fact that fossil fuel companies largely avoid paying the environmental and societal costs of their activities  as “the turd in the punchbowl.” During the COP21 Paris climate summit, he made a compelling case for a carbon tax to a distinguished audience at the Sorbonne. In Tillerson, he seems to believe he has an important ally.

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Musk has also been present at a number of meetings with Donald Trump, leading some to question whether his apparent support for the new President could alienate some of Musk’s traditional supporters. Until now, Musk and Tesla have been careful not to become embroiled in the divisive political storm that is roiling America.

Treading carefully between the needs of his businesses, the needs of his customers, and the policies of the new government may be one of the toughest challenges Musk has ever faced. Uber, for instance, has suffered a backlash from people incensed that CEO Travis Kalanik has accepted an appointment to one of Trump’s policy forums for business leaders. Musk is also a member of the same forum, but so far there has been no political backlash against Musk and Tesla.

Tesla is doing what Trump wants other car companies to do — build more American factories that employ American workers. But SpaceX is dependent on NASA for a significant portion of its future income. Of all Musk’s business ventures, it can least afford to alienate the current occupant of the Oval Office.

Musk may have made a carefully calibrated political calculation with regard to his working arrangements with the administration, but his support for and trust in Rex Tillerson seems to be grounded in the belief that a carbon tax is vital step to the fight to limit the damage from the consumption of fossil fuels. Unless and until he does something to break that trust, Tillerson and Musk will remain what Washington watchers for decades have called “strange bedfellows.”

"I write about technology and the coming zero emissions revolution."

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Tesla has a Cybercab problem nobody saw coming

Tesla’s Cybercab line now builds robotaxis faster than Tesla can deploy them, Lars Moravy says.

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Tesla’s Cybercab line in Texas can now build the two seat robotaxi faster than the company can put it into service, according to Lars Moravy, Tesla’s Vice President of Vehicle Engineering. “We don’t run every day because the line can run so fast. It’s currently outpacing our deployments,” Moravy said in a new Cybercab deep dive from Munro Live. “So, it’s a bit of a race right now. Who’s going to go faster? Right now the manufacturing line’s ahead.”

Tesla’s official Robotaxi account shared a Cybercab analysis video on X on Monday, calling it a “Cybercab engineering deep dive.” Moravy’s comments go further than what he told analysts on the Q3 earnings call last week, when he said the Cybercab line’s listed capacity of more than 125,000 units a year undersells what it can actually run.

The tour shows where that speed comes from. Tesla’s unboxed process splits the Cybercab into front, rear, side and center modules that are built and tested on their own before they meet on a short final line. That final line has just 25 fully automated stations, which Tesla’s team estimated is a fifth to a tenth of what a Model Y needs. The full line is about 78% automated, the framing line is already at 100%, and the layout uses roughly 50% less floor space per vehicle. The stated goal is “100% automation in 10 second cycle time,” or one finished Cybercab every 10 seconds.

Tesla also deleted the paint shop. Only the side modules are coated, and the exterior panels get their color inside the molding machine. Engineers said the car is designed to run at least 500,000 miles, which matters for a vehicle that will spend most of its day carrying riders.

The battery got the same treatment. The Cybercab uses an 88S6P pack of 4680 cells in a steel enclosure, a first for Tesla, with each module potted separately so a single failed module can be swapped instead of the whole pack. Wireless battery management boards replace a wiring harness, and new contactors are fast enough to drop the pyro fuse entirely. Tesla’s battery director graded the pack an A minus, compared with a D for the Model Y structural pack and a B minus for Cybertruck. Up front, the drive unit runs an 11:1 gear ratio versus roughly 9:1 on most Teslas, since the Cybercab does not need a high top speed.

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The deployment side is now the bottleneck Moravy described. Tesla had more than 50 Cybercabs working the Formula 1 weekend in Austin, and Texas records show 463 Cybercabs registered. Tesla said on its earnings call that Cybercab service will launch in Dallas next month, and Moravy said the company is aiming to get Cybercabs to customers by the end of 2026. Every unit built so far has gone into Tesla’s own fleet since the line moved into volume production in April.

Munro Live also asked when it could get a Cybercab to tear down. Tesla’s answer: “Not yet.”

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How SpaceX Is raising Raptor’s sea-level thrust while holding engine mass steady

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Credit: SpaceX

SpaceX’s Raptor engine family has steadily increased sea-level thrust while simultaneously reducing mass, turning iterative engineering gains into substantially higher performance for the Super Heavy booster. CEO Elon Musk shed more light on how powerful Raptor 4 will be, and it’s pretty crazy.

Raptor 1 delivered 185 metric tons of thrust at roughly 2,080 kilograms, while Raptor 2 raised that to 230 tons while cutting mass to about 1,630 kilograms. SpaceX data for Raptor 3 lists a target of 280 tons at 1,525 kilograms (with further reductions in associated vehicle hardware), while operational flight ratings have been cited near 250 tons.

This morning, Elon Musk stated that Raptor 4 is expected to reach 300 tons of sea-level thrust at roughly the same mass as Raptor 3. Across these versions, thrust has risen by more than 60 percent from the first engines while engine mass has fallen, producing a sharp improvement in thrust-to-weight ratio. This is a true testament to how great SpaceX engineering has been:

With 33 engines on SuperHeavy, the jump from earlier versions to a 300-ton Raptor 4 would produce roughly 9,900 metric tons of total liftoff thrust, nearly three times the Saturn V’s approximately 3,400 metric tons from its five F-1 engines.

This is not just a larger number on a data sheet, either, as sea-level thrust is the force available the moment the vehicle leaves the pad. This is when it is heaviest and still deep in Earth’s gravity well and dense atmosphere.

Higher levels of sea-level thrust directly improves the initial thrust-to-weight ratio of the full stack. A higher ratio produces faster acceleration off the pad, which shortens the time the rocket has to spend fighting gravity, and gravity losses during the first minute or two of the flight are a major drain on total available delta-v. Every second shaved off of that early climb preserves more propellant energy for reaching orbital velocity or for carrying extra payload.

Because Super Heavy’s engine count is constrained by vehicle diameter and packing density, increasing thrust per engine is the most straightforward way to raise total liftoff performance without redesigning the booster structure or design.

The same-mass target for Raptor 4 is equally important. Holding engine mass roughly constant while raising thrust improves the engine’s own thrust-to-weight ratio and reduces the structural and propellant mass fraction that must be carried solely to support the engines.

Earlier Raptor iterations also simplified or eliminated extensive vehicle-side hardware such as heat shields. These gains compound: more force for less installed mass leaves additional capacity for propellant, payload, or operational margins such as engine-out capability.

For Starship’s architecture, the practical effects are large. Greater liftoff thrust supports heavier vehicles, larger propellant loads, and higher payloads to low Earth orbit, figures SpaceX has targeted in the 100-plus-ton reusable range. That capacity underpins orbital refueling, lunar missions, and eventual Mars cargo and crew flights.

Continued growth in sea-level thrust therefore tightens the gap between theoretical rocket performance and the high flight rates and reusability needed to make large-scale space transport practical.

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Tesla Assisted Driving expands to tenth EU country

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Tesla has expanded its Tesla Assisted Driving (TAD) suite to its tenth European country, as Latvia joined a growing list of European Union member states authorizing the company’s advanced driver assistance technology.

Tesla Europe announced this morning that the system is now approved in Latvia, with a software rollout to begin soon.

The approval and rollout follow recognition of a provisional European type approval originally granted by the Netherlands’ RDW authority on April 10.

Latvia’s Road Traffic Safety Directorate (CSDD) evaluated the Dutch documentation, coordinated with the other national authorities, and reviewed updates from Tesla. These included tightened limits on speed offsets, automatic resets of any manual speed adjustments after each trip, and stronger driver monitoring.

In Europe, the feature is marketed as Tesla Assisted Driving after a recent rule change that labeled the name “Full Self-Driving” as misleading.

Tesla starts showing how FSD will change lives in Europe

The system remains an SAE Level 2 driver assistance tool, not unsupervised autonomy. It can control speed, steering, braking, lane changes, and intersections while following a navigation route. Drivers need not keep their hands on the wheel at all times, yet they must continuously monitor the road and be prepared to intervene immediately.

The sequence of EU recognitions began with the Netherlands in April and continued through Lithuania, Estonia, Denmark, Belgium, Slovenia, Czechia, Croatia, and Slovakia. Most have relied on mutual recognition of the single Dutch provisional approval rather than independent national testing.

These national clearances do not yet constitute bloc-wide authorization. An EU-wide decision requires a qualified majority in the Technical Committee on Motor Vehicles: at least 15 of 27 member states representing 65 percent of the EU population. Larger markets, like Germany, France, and Italy, remain under review, and a vote is expected this December.

However, for Latvian Tesla owners with compatible vehicles and software, the imminent rollout expands access to the supervised system while underscoring that attentive human oversight remains essential.

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