Can you use Efficiency Committee counters to use Trick of Light?
Question on Efficiency Committee
Yes. Trick of Light is not an advancement action, it is merely placing advancement tokens through a card effect.
Can you use Efficiency Committee counters to use Trick of Light?
Just so I'm sure we're answering the correct question, Trick of Light moves advancement counters. You cannot move Efficiency Committee's Agenda Counters with ToL, but you can use an Agenda Counter off EC to gain Clicks and then use Trick of Light to move Advancement Counters from point A to point B.
I assume that's what fmehlhaff was talking about, but you're right, people come up with the weirdest ideas in this game, so best to make sure