1970 Clean Car Race: How college teams helped bring about emission limits on new cars (and show up Detroit) after the first Earth Day.

Life magazine centerspread of 1970 Clean Air Car Race entriesWhen it comes to changing the world, never count out a bunch of college students with pens and wrenches. In response to growing demands to clean up the air, particularly from automotive exhaust pipes, and growing pushback from automakers, a bunch of college students banded together in 1970 to prove they could make cars cleaner than Detroit could...