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 …showed first 75 words of 3059 total…

…showed last 75 words of 3059 total…met the most stringent limits tentatively set by the Environmental Protection Agency. The gas turbine vehicle also has some clear benefits over batteries and fuel cells. They can burn a variety of fuels and are compact sources of power, capable of producing 3-4 kilowatts per kilogram, versus less than 1.5 kilowatts per kilogram from a fuel cell and 0.5-1.0 kilowatts per kilogram from a battery system of a size sufficient to provide an acceptable range, (Wilson, 55).