You are wrong to assume anything about a lieberal.
Research Common Core. There’s red meat there, including the College Board influence. You could argue for an alternative to the SAT/ACT.
I forgot a couple of topics:
Feasibility of USAF grass or flower-made gasoline.
Workability of solar roads.
Hydrogen or helium cars and the distribution system necessary to run them.
The actual effects of ‘wind’ power