HYDROGEN FUEL CELLS |
![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) No harmful emissions; only water vapor and heat
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) Space-efficient infrastructure; storage can be located outside facility with dispensers located indoors or outdoors
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Moderate maintenance requirements
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_1_40x40.png) None, though refueling system may have requirements
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_1_40x40.png) Simple, fast refueling
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) Consistent power delivery until full depletion
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LITHIUM-ION BATTERIES |
![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) No harmful emissions
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) No specialized changing or maintenance rooms required
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) No maintenance or equalization required
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) More intense electrical grid burden, depending on fleet size and charge intervals.
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Designed for opportunity charging; faster recharge capability than lead acid
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) Consistent power delivery until full depletion
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Thin Plate Pure Lead (TPPL) |
![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) No harmful emissions
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) No specialized changing or maintenance areas required
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_1_40x40.png) No maintenance required, fast equalization
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Moderate electrical requirements, depending on fleet size
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Designed for opportunity charging, faster recharge than traditional lead acid
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_1_40x40.png) Slight power output decline as charge depletes
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LEAD ACID BATTERIES |
![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_1_40x40.png) None while in operation, but does emit fumes that require ventilation during battery charging
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_5_40x40.png) Separate room, infrastructure often required for battery charging, changing and maintenance
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_5_40x40.png) Higher maintenance requirements compared to other electric options
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Moderate electrical requirements, depending on fleet size
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_5_40x40.png) Complex and time-consuming battery maintenance, charging or changing
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Diminishing power output as battery charge depletes
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INTERNAL COMBUSTION ENGINE |
![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Emissions while in operation. Well-suited for outdoor or properly ventilated environments
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) Primary fueling and storage infrastructure located outside facility
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Requires regular, but not daily, maintenance
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) None
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/group_3_40x40.png) Simple, fast refueling with tank changes or pump
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![](/contentassets/8dd2349c93094ff7bd01029c3cc57f36/ch-0_40x40.png) Consistent power delivery until full depletion
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