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Demand for gasoline has been the driving force in utilization and depletion of crude petroleum which is a non-renewable resource In recent years tendencies have just begun to at times favor alternative fuels to power autos Many possible alternative fuels exist certainly not without their drawbacks These alternatives include but are not limited to various batteries coupled with solar power alcohols gasohols and both liquefied and gaseous natural gas as well as hydrogen As mentioned above drawbacks do exist the chief drawbacks being cost of adaption implementation engineering and cost of the fuels themselves As stated by many a chairman of petroleum companies alternative fuels have limited applications and too many economic disadvantages Derr 30 These alternatives involve modified internal combustion engines ICEs modified fuel delivery systems as well as advancements in the field of electrical storage capacities This paper will attempt to discuss the many advancements in the field of automobile alternative fuels reduced and zero emission vehicles and fuel delivery and ICE modifications producing reduced emissions Positive and negative aspects to implementation will be discussed as well as an analysis made on whether the alternative approach is feasible on a mass production scale There have been many advancements in reducing emissions of gasoline and diesel powered vehicles Every month we hear of another vehicle running on petroleum fuels reducing emissions and increasing efficiency Direct diesel injection into ICE cylinders increases mileage by 20 DiChristina 43 for example Also ozone precursor release in the 1960s was on average 324 lbYr whereas now it is 21 lbYr In 1998 it is expected to be 12 lbYr a 96 improvement Derr 30 But this paper is examining non-petrol fuels There are also many advancements in the non-petroleum field as well as advancements in engines burning gasoline in addition to other fuels such as alcohol and various combustible gasses such as butane propane methane Martin-Marietta Energy Systems Inc of Oak Ridge Tennessee has developed a magnetohydrodynamic
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