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LN2 is exposed to ambient heat in the car and the resulting nitrogen gas can be used to power a piston or turbine engine. The maximum amount of energy that can be extracted from LN2 is 213 Watt-hours per kg (W·h/kg) or 173 W·h per liter, in which a maximum of 70 W·h/kg can be utilized with an isothermal expansion process.
Ethanol also replaces toxic, air-polluting substances such as benzene, toluene, and xylene. Numerous states require certain ethanol blends to reduce air pollution. Ethanol produces about 34% less air pollution than gasoline on average. [32] As of 2016, ethanol blends in the U.S. reduce emissions of carbon dioxide by about 40 million tons per year.
The Ford Model T's engine was capable of running on ethanol, gasoline, kerosene, or a mixture of the first two.. A flexible-fuel vehicle (FFV) or dual-fuel vehicle (colloquially called a flex-fuel vehicle) is an alternative fuel vehicle with an internal combustion engine designed to run on more than one fuel, usually gasoline blended with either ethanol or methanol fuel, and both fuels are ...
Gas cars also refuel more quickly than even the fastest-charging EVs, reducing downtime and overall trip length on longer journeys.Fixing a gas car tends to be less expensive as well, despite the ...
Because the process of manufacturing many low emission vehicles (LEV), for example, a hybrid engine, is more technology intensive, and therefore more expensive, than the process of manufacturing a standard gasoline engine, the up-front cost of a hybrid automobile is greater than that of a car with comparable performance. [6]
It is propelled by the release and expansion of the air within a motor adapted to compressed air. The car might be powered solely by air, or combined (as in a hybrid electric vehicle) with other fuels such as gasoline, diesel, or an electric plant with regenerative braking. Compressed-air cars use a thermodynamic process. Air cools when ...
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