13. Cassandra Lin, 18

facial expression, person, girl, beauty, smile,

Youโ€™ve heard of TGIF, right?

No, not Thank God itโ€™s Friday, even though thatโ€™s true, too.

I mean Cassandra Linโ€™s project โ€œTurn Grease Into Fuelโ€ which recycles grease to use it as biodiesel that helps heat familyโ€™s homes.

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