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John J. Mooney, an inventor of the catalytic converter, dies at 90
www.nytimes.com

John J. Mooney, an inventor of the catalytic converter, dies at 90

The device he developed with a colleague in the 1970s has prevented billions of tons of carbon emissions from being spewed by cars, trucks and lawn mowers.
Get off my lawn

Get off my lawn

How a small group of activists (our correspondent among them) got leaf blowers banned in the nation's capital.

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