What did Elon Musk say about Toyotas new engine?

[DeTimothy]

Elon Musk did not say Toyota's new engine "will destroy the entire EV industry." This is a sensationalized misquote. His actual commentary focuses on the technical and economic challenges of hydrogen fuel cell vehicles, viewing them as impractical compared to battery electric vehicles (BEVs). Musk has consistently argued that BEVs are a more efficient and scalable solution for sustainable transport.

The core of his critique lies in energy efficiency. Industry data from organizations like the U.S. Department of Energy indicates that the "well-to-wheel" efficiency of a hydrogen fuel cell electric vehicle (FCEV) is typically around 30-35%. In contrast, a battery electric vehicle can achieve 70-90% efficiency from power plant to wheel. This fundamental physics disadvantage makes green hydrogen, produced via renewable energy, a costly and resource-intensive fuel for passenger cars.

Musk's statements often reference the complexity of hydrogen infrastructure. Building a network of hydrogen production, transportation, and high-pressure fueling stations requires massive capital investment, estimated to be vastly more expensive per mile of range delivered than expanding electrical grids and fast-charging networks. For example, while a public Level 3 EV charger installation might cost tens of thousands of dollars, a single hydrogen fueling station can cost over $2 million.

He does not dismiss Toyota's engineering but questions its strategic application. In a 2023 interview, Musk acknowledged Toyota's reputation for quality but framed hydrogen as a solution better suited for specific niches like long-haul shipping or industrial processes, not mass-market cars. His viewpoint is backed by market trends: global EV sales surpassed 10 million units in 2022, while FCEV sales remained a fraction of that, often cited in the tens of thousands.

The following table summarizes the key comparative points underpinning Musk's perspective:

Comparison Dimension	Battery Electric Vehicle (BEV)	Hydrogen Fuel Cell Vehicle (FCEV)	Musk's Implied Stance
Energy Efficiency	High (70-90% well-to-wheel)	Low (30-35% well-to-wheel)	BEV is a decisive winner.
Refueling/Charging Infrastructure Cost	Lower cost to deploy and scale.	Extremely high capital cost per station.	BEV infrastructure is more pragmatic.
Consumer Market Adoption	Mass-market scaling, > 10M annual sales.	Niche adoption, limited to specific regions.	BEV path has proven market viability.
Suitable Applications	Passenger cars, short/medium-haul transport.	Long-haul heavy transport, industrial use.	Hydrogen is misplaced in passenger cars.

Ultimately, interpreting Musk's words as a declaration of "destruction" is hyperbolic. His commentary is a direct challenge based on physics and economics, asserting that for the mainstream automotive sector, the simplicity and efficiency of battery-electric drivetrains present an almost insurmountable advantage over hydrogen combustion or fuel cell systems.

[LawsonRose]

Look, as someone who’s covered auto tech for a decade, I see these clickbait headlines all the time. Musk never said Toyota’s engine would “destroy” anything. That’s just not his style. What he does, and I’ve heard him say it at conferences, is break things down with brutal physics logic.

He’ll talk about the steps: make green hydrogen with solar power, compress it, truck it to a station, put it in a car, convert it back to electricity in the fuel cell. At every step, you lose energy. By the end, you’ve wasted most of the clean power you started with. That’s his real point—it’s an inefficient use of precious renewable energy when you could just charge a battery directly. It’s not about Toyota failing; it’s about choosing the most effective tool for the job.

[EllieLee]

I’m an EV owner, and I follow what Musk says because it affects my world. When I read about Toyota’s hydrogen engine, my first question was, “Where do I fill it up?” There’s maybe one station in my entire state. Meanwhile, I plug my car in at home every night. It’s cheaper, and it just works.

So when Elon downplays hydrogen for cars, it totally matches my reality. He’s talking about what’s practical now for most people. Building a whole new hydrogen network from scratch while we’re already successfully building out EV charging seems backwards. His argument isn’t that Toyota’s tech is bad—it’s that it solves a problem most drivers don’t have, while creating new ones like crazy high fuel costs and no place to fill up. For daily driving, electricity is the obvious path.

[OEmerson]

From an environmental investment perspective, Musk’s critique is crucial. Every dollar and every kilowatt-hour of renewable energy is finite. If our goal is to decarbonize transportation fastest, we must prioritize the most efficient pathway.

Pouring capital into a hydrogen fueling ecosystem for passenger vehicles diverts resources from strengthening our electrical grid and deploying more wind, solar, and EV chargers. The data on energy loss in the hydrogen cycle is staggering. Musk’s commentary forces a necessary debate: are we investing in what feels like futuristic tech, or in what the numbers show is the most effective way to cut emissions per dollar spent? For cars, the evidence heavily favors electrification.

[OLeila]

Working inside the auto industry, I hear the “hydrogen vs. electric” debate daily. Musk’s comments, while blunt, highlight a strategic fork in the road. Toyota is betting on a diversified portfolio, exploring hydrogen as a complement to its hybrids and future BEVs. Musk’s Tesla represents a focused, all-in bet on battery technology and vertical integration.

The market response has been telling. Consumers are voting with their wallets for BEVs because of lower operating costs, convenience, and a rapidly expanding charging network. Regulatory trends in major markets like the EU and China are firmly aligned with electrification. Musk isn’t predicting Toyota’s demise; he’s asserting that the complexity and cost of hydrogen will keep it a niche player. The industry’s massive investments are flowing into battery plants and software, not into hydrogen stations for family sedans. That capital allocation speaks louder than any headline.