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Hydrogen fuel-cell vehicles are related to electric cars, but these machines have pros and cons that make ... The three hydrogen cars sold in recent years all have EPA-rated ranges of 300 miles or ...
The determination of a fuel cell's performance depends on the thermodynamic evaluation. Using hydrogen's lower heating value, the maximum fuel cell efficiency would be 94.5%. [33] The efficiency of a hydrogen combustion engine can be similar to that of a traditional combustion engine. If well optimized, slightly higher efficiencies can be achieved.
[B]y 2025 the last hold outs should likely be retiring their fuel cell dreams.” [151] A 2019 video by Real Engineering noted that using hydrogen as a fuel for cars does not help to reduce carbon emissions from transportation. The 95% of hydrogen still produced from fossil fuels releases carbon dioxide, and producing hydrogen from water is an ...
1991 – Mazda HR-X hydrogen Rotary; 1993 – Mazda HR-X2 hydrogen Rotary; 1993 – Mazda MX-5 Miata hydrogen Rotary; 1995 – Mazda Capella, first public street test of the hydrogen Rotary engine; 2003 – Mazda RX-8 Hydrogen RE hydrogen-gasoline hybrid Rotary; 2005 – Mazda Premacy Hydrogen RE Hybrid; 2007 – Mazda Hydrogen RE Plug in Hybrid
That said, new-EV high-voltage battery packs are covered for at least 8 years or 100,000 miles, with some makers stretching that to 10 years and more miles. The issue of replacement cost mainly ...
That's a lot of cars — 1.78 million new vehicles were sold in California last year. Since hydrogen station growth has stalled and hydrogen prices exploded, fuel cell sales have stalled too.
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