about how quickly Tesla could perfect self-driving technology—Hyundai and major auto and truck manufacturers including Toyota, General Motors, Daimler and Volvo, startup Nikola and engine maker Cummins have a more expansive view, seeing both batteries and hydrogen as necessary technologies for clean vehicles. And in Hyundai’s case, the company has unusually ambitious hopes for the universe’s most abundant element as a power source.
The automaker “is aggressively developing hydrogen technologies and fuel cell applications for transportation, homes and industry,” Moñoz said in a presentation at the Los Angeles Auto Show this month. “We envision a future in which hydrogen is the primary power source for everyone, everything, everywhere.”
Fuel cell and battery vehicles are both electric, sharing the same motors and many other components. The key difference is that batteries store electricity while fuel cells make it onboard as needed, in an electrochemical process that extracts electrons from hydrogen forced through fuel-cell membranes. Aside from electricity, the only by-product is water vapor.
Yet advocates for the fuel are still working to solve big challenges: The technology has to overcome high costs for fuel cell stacks and hydrogen tanks that make the vehicles more expensive than those powered by carbon-based fuels or batteries. Additionally, the supply of “green” hydrogen fuel sourced from renewable energy and water, or sourced from waste materials, needs to expand dramatically to ensure maximum carbon reduction.
California is the top market for hydrogen cars in the U.S., with 12,082 in operation as of November 1, and an additional 48 hydrogen fuel cell buses, according to the
They roll well down hills.
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