Inventor Al Simpkins develops a new airplane fuel, "Economo," which he claims gets a thousand miles to the pint.
| Actor | Role |
|---|---|
 Al WilsonAl Simpkins | Al Simpkins |
 Helen FosterStella Hearns | Stella Hearns |
| WWilbur McGaughSilas Smythe | Silas Smythe |
 Gilbert HolmesBert Beatle | Bert Beatle |