Two Teenagers Built A $50 Exhaust Filter That Claims To Cut Emissions 74%

Naturally aspirated engines and big-displacement powerplants are slowly disappearing as emissions regulations become stricter in an effort to reduce pollution and protect the environment. That has sparked a wave of smaller turbocharged engines, hybrids, plug-in hybrids, and EVs. But two teenagers from Pennsylvania may have found a different way to make today's combustion engines significantly cleaner.

Two Teenagers May Have Changed The Game

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Rohan Kapoor and Jack Reichert, both 18, have developed the Go Green Filter, an innovative tailpipe attachment that uses living microalgae, water, and light to convert harmful exhaust...