Waymo is the Hydrogen Solution of Ride Hail

Image by OpenAI

Both hydrogen fuel cell vehicles and Waymo’s autonomous ride-hailing service are technical marvels, yet both stumble on the steep slope of scalability, especially when costs come into play.

Hydrogen fuel cell vehicles, such as Toyota’s Mirai and Hyundai’s Nexo, power electric motors through a clever process: hydrogen stored in high-pressure tanks reacts with oxygen in a fuel cell, generating electricity to power the motor and drive the vehicle, with water vapor as the only byproduct. A full H2 tank is about 5 kilograms, and this delivers a 300 to 400-mile range. Refueling takes just five minutes. Technically, it works beautifully. The Mirai cruises highways and city streets, matching gasoline cars for refueling convenience and outshining them for emissions.

So why aren't we all driving zero-emission H2 vehicles today? Price and scalability are the roadblocks. Building a hydrogen refueling station costs $1 to $2 million, and the US has only about 50, mostly clustered in California. Compare that to 120,000 gas stations or 50,000 EV chargers across the country. Then there’s the fuel. The cost to fill up a fuel cell car in California is around $16.50 per kilogram. A Toyota Mirai with a 5.6kg tank would cost around $92 to fill up. However, Toyota (and others) offer free fuel for the first three years to help bridge the price gap between hydrogen and gasoline. Assuming owners had to pay for the H2, let's compare the cost per mile. For a Toyota Mirai, it's around $0.31 per mile. Compare that to $0.12 per mile of a gas car and H2 as fuel is like paying $9 per gallon for gas. No one wants to do that. This explains why they have to give away years of free fuel just to sell (lease) the things.

Scaling FCVs to millions of users would require thousands of stations and cheaper hydrogen, demanding billions in investment. High costs keep FCVs a niche player, not a mass-market contender.

Now, let’s shift gears to Waymo, Google's Alphabet’s self-driving transportation service. Waymo’s fleet of modified Chrysler Pacificas and Jaguar I-Paces uses LiDAR, radar, and cameras to navigate without a driver. AI processes a 360-degree view, dodging pedestrians and traffic with precision. It works. Waymo’s vehicles log thousands of miles in cities like Phoenix and San Francisco, safely delivering passengers. But, like hydrogen FCVs, scalability is a struggle. A Waymo vehicle with its sensor suite and compute costs around $100,000, though bulk production might trim that. Operating costs pile up fast: maintenance, software updates, and remote human oversight push per-mile costs to $2 to $3, dwarfing the ~$1 of a human-driven Uber ride. Waymo has raised $5.6 billion, yet profitability lags. Each ride is subsidized, and scaling to millions of vehicles means building charging stations, service hubs, and data centers, costing billions more. The tech is solid, but the price tag for widespread adoption rivals the challenge of hydrogen’s infrastructure.

Both Waymo and hydrogen FCVs prove the possibility of the technology. FCVs glide along, emitting only water, while Waymo’s cars steer through chaos without a human hand. Yet both hit the same scalability wall: cost. Hydrogen’s refueling stations and fuel production demand massive upfront investment, just as Waymo’s sensors, operations, and infrastructure do. Neither technology is cheap enough to flood the market. FCVs need a vast network and affordable hydrogen; Waymo needs leaner tech and lower operating costs. At CarsWithCords.net, we admire the ingenuity, but the path to scalability looks daunting. For now, both remain bold experiments, waiting for a cost breakthrough to drive them mainstream.