
Hydrogen fuel cell vehicles are a type of zero-emission vehicle that runs on electricity generated by hydrogen fuel cells, emitting only water vapour. While hydrogen-powered vehicles offer quick refuelling and long ranges, their adoption has been limited due to the lack of refuelling infrastructure outside of California. California has been a pioneer in promoting hydrogen-powered electric vehicles, with the state investing in the expansion of hydrogen refuelling stations and offering various incentives to encourage consumers to adopt these vehicles. As a result, California has become the sole market for fuel-cell electric vehicles in the US, with a network of retail hydrogen refuelling stations supporting the small but growing number of hydrogen-powered cars on its roads.
| Characteristics | Values |
|---|---|
| Hydrogen-powered electric vehicles offered in California | Honda Clarity Fuel Cell, Hyundai Nexo SUV, Toyota Mirai, Honda CR-V e:FCEV |
| Number of hydrogen-powered vehicles in the US | 17,000 or fewer as of mid-2022 |
| Number of hydrogen-powered vehicles sold in California in 2023 | 2,979 |
| Number of hydrogen refueling stations in California | 65 |
| Number of hydrogen refueling stations in Los Angeles County | 20 |
| Funding for hydrogen refueling stations in California | Up to $300 million |
| California's goal for zero-emission vehicles by 2025 | 1.5 million |
| California's goal for renewable and carbon-free electricity by 2045 | 100% |
| California's incentives for zero-emission vehicles | Rebates of up to $3,000, grants, vouchers |
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What You'll Learn

California's hydrogen fuel cell infrastructure
California is taking several steps to support the adoption of hydrogen fuel cell electric vehicles, which are critical to the state's goal of getting 1.5 million zero-emission vehicles on the road by 2025. The state is investing in an initial network of 100 public hydrogen stations to support the refuelling needs of hydrogen fuel cell electric cars. The California Energy Commission is also offering funding of up to $10 million for projects that provide publicly accessible hydrogen fuelling stations, with four or more refuelling stations serving light-duty fuel cell electric vehicles.
The state's funding has helped create a network of 65 hydrogen fuelling stations, with 20 of them in Los Angeles County. The California Hydrogen Coalition has expressed disappointment at the slow progress in building these stations, with only about 3.5% of all state funding for clean cars being spent on hydrogen vehicle infrastructure. The state also offers incentives for businesses, vehicle and technology manufacturers, fleet owners, and consumers to adopt zero-emission vehicles and develop alternative fuels and advanced transportation technologies.
The San Joaquin Valley Air Pollution Control District administers the Drive Clean! Rebate Program, which provides rebates of up to $3,000 for the purchase or lease of eligible new vehicles, including hydrogen fuel cell, all-electric, and zero-emission vehicles. The Energy Infrastructure Incentives for Zero-Emission Commercial Vehicles (EnergIIZE) programme, funded by the California Energy Commission, offers grants for the purchase and installation of ZEV infrastructure for MHD electric and hydrogen fuel cell electric vehicles. The California Air Resources Board's Clean Mobility in Schools Project (CMIS) provides funding for zero-emission shuttles, transit buses, school buses, and infrastructure to public schools, local governments, community-based organisations, and tribal governments.
The California Hydrogen Highway Network (CaH2Net) was initiated in 2004 to ensure that hydrogen fuelling stations were in place to meet the demand of hydrogen fuel cell electric vehicles entering California's roads. The California Fuel Cell Partnership (CaFCP) was formed in 1999 to launch a successful FCEV and hydrogen fuelling market within California. CaFCP published a roadmap describing a 68-station network that could enable the launch of a consumer FCEV market. They continue to maintain an up-to-date station map and real-time fuelling availability information for customers.
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Hydrogen-powered vehicles' rarity
Hydrogen-powered vehicles are rare, with only about 17,000 on US roads as of mid-2022. In contrast, almost three million electric vehicles (EVs) have been sold in the US. This disparity is due in part to the limited availability of hydrogen fuelling stations. Driving a hydrogen car outside of California is virtually impossible, as there is only one other public hydrogen fuelling station in the US, located in Hawaii.
California has been at the forefront of promoting hydrogen-powered vehicles, with the California Energy Commission investing in an initial network of 100 public hydrogen stations to support the adoption of zero-emission vehicles. The state has also provided various incentives, such as the Drive Clean! Rebate Program, which offers rebates of up to $3,000 for the purchase or lease of eligible hydrogen fuel cell vehicles. Despite these efforts, there have been challenges in the widespread adoption of hydrogen-powered vehicles.
One significant challenge is the limited availability of hydrogen-powered vehicles for purchase. As of 2024, only a few models, such as the Toyota Mirai and the Honda CR-V e:FCEV, are available, and often in limited quantities. For example, the Honda CR-V e:FCEV is projected to have a volume of only 300 vehicles per year.
Another challenge is the competition from battery-powered electric vehicles, which have become increasingly popular. In California, one in five new cars sold in 2023 was battery-powered, and state agencies and lawmakers have favoured battery electric cars in their funding decisions. This has resulted in a slower expansion of hydrogen fuelling infrastructure, with only about 65 stations in the state as of 2023.
While hydrogen-powered vehicles offer zero-emissions and quick refuelling, their rarity is a reflection of the challenges in infrastructure development, limited model availability, and competition from battery-powered electric vehicles.
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California's funding for hydrogen vehicles
California has been making efforts to reduce its dependence on fossil fuels and improve air quality. Hydrogen fuel cell electric vehicles are a critical part of the state's goal of getting 1.5 million zero-emission vehicles on the road by 2025. To achieve this, the state has been providing various incentives to promote the adoption of hydrogen vehicles.
The California Energy Commission (CEC) is playing a significant role in this transition by investing in an initial network of 100 public hydrogen stations across the state. The CEC offers funding of up to $10 million for projects that provide publicly accessible hydrogen fuelling stations. This funding is available to all public and private entities, with the condition that projects must have four or more hydrogen refuelling stations serving light-duty fuel cell electric vehicles.
The Clean Transportation Program, formerly known as the Alternative and Renewable Fuel and Vehicle Technology Program, is another initiative by the CEC to encourage the adoption of zero-emission hydrogen fuel cell electric cars. This program provides financial incentives to various stakeholders, including businesses, vehicle and technology manufacturers, consumers, and academic institutions, to promote the development and deployment of alternative fuels and advanced transportation technologies.
The San Joaquin Valley Air Pollution Control District (SJVAPCD) also administers the Drive Clean! Rebate Program. This program offers rebates of up to $3,000 for the purchase or lease of eligible new vehicles, including hydrogen fuel cell, all-electric, and zero-emission vehicles.
Additionally, the Energy Infrastructure Incentives for Zero-Emission Commercial Vehicles (EnergIIZE) programme, funded by the CEC, offers grants for the purchase and installation of ZEV infrastructure for MHD electric vehicles and hydrogen fuel cell electric vehicles. Eligible applicants include commercial fleets, station owners, and ZEV infrastructure vendors and installers.
Despite these incentives, there has been some debate among California legislators about the level of funding allocated to hydrogen vehicles. With only about 12,000 hydrogen cars on the road and a limited number of models available, there are concerns about the slow progress in building hydrogen fuelling stations. Some legislators argue that electric cars have overtaken hydrogen vehicles in terms of popularity, and allocating more funds for hydrogen fuelling stations may not be the best use of state money.
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Hydrogen vehicles' environmental benefits
Hydrogen-powered vehicles are becoming increasingly popular due to their environmental benefits and potential for cost savings. They are a great alternative to traditional petrol or diesel-powered cars as they emit zero emissions and can be refueled quickly and easily.
One of the most significant advantages of hydrogen-powered vehicles is that they emit zero tailpipe emissions, only producing water vapour and heat as byproducts. This lack of smog-related or greenhouse gas (GHG) emissions helps to reduce pollution and improve air quality, which can have positive effects on both public health and the environment.
Additionally, hydrogen can be produced from a variety of renewable sources, such as wind or solar power, making it a sustainable fuel option. Hydrogen can be produced domestically from resources like natural gas, coal, solar energy, wind, and biomass. This strengthens national energy security, conserves petroleum, and diversifies transportation energy options, creating a more resilient system. The process of electrolysis, which involves running an electrical current through water to separate hydrogen from oxygen, can be used to produce hydrogen with no upstream GHG emissions if the electricity comes from non-emitting sources. Hydrogen can even be produced from plant materials or waste products, such as landfill gas and wastewater.
The use of hydrogen fuel cell technologies can greatly benefit sectors such as seaports, where diesel engines can be replaced, significantly reducing air pollutants associated with diesel emissions. Hydrogen fuel cells are also quiet and produce minimal vibrations, creating a more comfortable driving experience.
The California Energy Commission is actively supporting the adoption of hydrogen fuel cell electric cars by investing in an initial network of 100 public hydrogen stations across the state. This aligns with the state's goal of getting 1.5 million zero-emission vehicles on California roads by 2025 and its work to achieve its climate change goals, improve air quality, and reduce reliance on fossil fuels.
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Hydrogen vehicles' safety concerns
Hydrogen-powered electric vehicles are offered in California due to the state's commitment to reducing its dependence on fossil fuels and improving air quality. The California Energy Commission is investing in hydrogen refueling infrastructure and providing incentives for the adoption of zero-emission vehicles, including hydrogen fuel cell electric cars.
Now, let's discuss the safety concerns associated with hydrogen vehicles:
Hydrogen vehicles have faced safety concerns due to the perception of hydrogen as a volatile fuel source. However, modern hydrogen fuel cell vehicles are designed with safety features that address these concerns. One of the primary safety advantages of hydrogen fuel cells is the avoidance of combustion, as hydrogen fuel cells produce electricity through a chemical process without burning fuel. This significantly reduces the risk of fires and explosions.
Additionally, hydrogen fuel cells emit water vapour as their only tailpipe emission, eliminating the harmful pollutants associated with conventional fossil fuel vehicles. The lack of harmful emissions contributes to improved air quality and reduces the environmental impact of transportation.
While durability concerns relating to leaks have been raised, advancements in technology, such as the use of graphene, are enhancing the durability and safety of hydrogen fuel cell systems. Hydrogen fuel cells also benefit from being relatively quiet, which can improve pedestrian safety, although it has been noted that this can also pose a risk to pedestrians who are accustomed to relying on engine noise to judge vehicle proximity.
Despite these safety features, the perception of hydrogen as a dangerous fuel source persists, which has hindered broader adoption. However, as hydrogen fuel cell technology becomes more prevalent, it is expected that public perception and understanding of its safety will improve.
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Frequently asked questions
Hydrogen-powered electric vehicles are only offered in California because it is the only state with a network of retail hydrogen fueling stations to support these vehicles. California has been working towards expanding its hydrogen refueling stations and incentivizing the adoption of hydrogen-powered electric vehicles.
The California Energy Commission (CEC) offers various incentives to promote the adoption of hydrogen-powered electric vehicles. These include funding of up to $10 million for projects that provide publicly accessible hydrogen fueling stations and the Clean Transportation Program, which provides financial incentives to businesses, manufacturers, and consumers to encourage the development and deployment of alternative fuels and advanced transportation technologies.
Hydrogen-powered electric vehicles, also known as fuel cell electric vehicles (FCEVs), offer quick refueling times of less than five minutes at retail stations. They emit only water vapor and have no tailpipe emissions, making them a zero-emission alternative to traditional fossil fuel vehicles. However, the infrastructure for hydrogen fueling stations is still limited outside of California, impacting the accessibility of these vehicles in other states.
Yes, there have been some challenges and controversies. Critics argue that the state has favored battery-electric cars over hydrogen-powered vehicles in terms of funding and support. Additionally, there are concerns about the limited number of hydrogen-powered vehicles available for sale and the high cost of fueling these vehicles compared to their electric counterparts. Despite these challenges, California continues to invest in the expansion of hydrogen refueling stations and support the development of hydrogen-powered electric vehicles.




























