Terms
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Carbon Neutral
- A state where carbon emissions (CO2) directly originates from biomass, not fossil fuels. Therefore a closed carbon cycle. This is necessary for the mitigation of global warming and ocean acidification.
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CNG - Compressed Natural Gas
- A fossil fuel comprised primarily of methane (CH4). A maximum of 3600psi (~250 atmospheres of pressure).
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Ethanol
- An ethyl alcohol C2H5OH produced from the most recent life cycle of carbon life.
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EV - Electric Vehicle
- A vehicle that utilizes electrical energy stored in rechargeable battery packs.
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FCV - Fuel Cell Vehicle
- An EV that utilizes electrical energy generated by a hydrogen catalyst.
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ICE - Internal Combustion Engine
- An engine in which the combustion, or rapid oxidation, of gas and air occurs in a confined space called a combustion chamber.
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kWh - Kilowatt-hour
- A unit of energy (1000 watts) used to measure energy used over a period of time (hour). Also, most commonly used for residential and transportation.
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Mp$ - Miles per Dollar
- A metric of consumption, created as a better model than mpg and $/gal of fuel. Using this metric one may easily see the difference between gasoline, diesel or electric vehicles in terms of highest miles per dollar spent.
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Range
- Used to denote total travel distance of a vehicle before needing to refuel.
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REEV - Range Extended Electric Vehivle
- A series-hybrid EV that has a liquid fueled generator for charging the batteries, as opposed to a conventional (parallel) hybrid, where power is converted directly to kinetic motion. Having a generator running at peak performance at all times increases efficiency, instead of constant revving.
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