13. Cassandra Lin, 18

facial expression, person, girl, beauty, smile,

You’ve heard of TGIF, right?

No, not Thank God it’s Friday, even though that’s true, too.

I mean Cassandra Lin’s project β€œTurn Grease Into Fuel” which recycles grease to use it as biodiesel that helps heat family’s homes.

Hailee Steinfeld, 19