The transportation sector in the United States presently runs almost exclusively on petroleum-based derivatives (gasoline, diesel, jet fuel). Research the following alternatives.
? Hybrid
? Propane
? Diesel & biodiesel
? Hydrogen
? Flex-fuel
? Electric
? Ethanol
? Fuel cell
? Natural gas
No Solution is provided since the student responses will vary due to the nature of the studies and reports required.
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