1. Survey question #1 Which fuel contains the most energy per kg?
a.  Gasoline
b.  Diesel
c.  Jet fuel
d.  They’re all the same

2. Survey question #1 Which fuel contains the most energy per kg?
a.  Gasoline
b.  Diesel
c.  Jet fuel
d.  They’re all the same

3. Survey question #2 Which fuel contains the most energy per gallon?
a.  Gasoline
b.  Diesel
c.  Jet fuel
d.  They’re all the same

4. Survey question #2 Which fuel contains the most energy per gallon?
a.  Gasoline
b.  Diesel
c.  Jet fuel
d.  They’re all the same

5. Survey question #3
Of jet engines (gas turbines), diesel engines and gasoline engines, which one provides the most power per kg?
a.   Jet > diesel > gasoline
b.   Diesel > jet > gasoline
Gasoline > diesel > jet
Jet > gasoline > diesel
e. Diesel > gasoline > jet

6. Survey question #3
Of jet engines (gas turbines), diesel engines and gasoline engines, which provides the most power per kg?
a.  Jet > diesel > gasoline
b.  Diesel > jet > gasoline
c. Gasoline > diesel > jet
d. Jet > gasoline > diesel
e. Diesel > gasoline > jet

7. Survey question #4
What will be the most commonly used vehicle energy source 20 years from now?
a.  Batteries
b.  Hydrogen
c.  Solar
d.  Biofuel (e.g. ethanol or bio-diesel)
e. Conventional hydrocarbon fuels
f. Something else (don’t tell anyone except me)

8. Survey question #4
What will be the most commonly used vehicle energy source 20 years from now?
a.  Batteries
b.  Hydrogen
c.  Solar
d.  Biofuel (e.g. ethanol or bio-diesel)
e. Conventional hydrocarbon fuels
f. Something else (don’t tell anyone except me)