A new way to reduce the cost and extend the lifespan of the metals in catalytic converters could solve a problem that has vexed automotive engineers for years.

Modern cars rely on catalytic converters to remove carbon monoxide, hydrocarbons, and other harmful chemicals from exhaust emissions. Catalytic converters rely on costly metals that have special chemical properties that diminish in effectiveness over time.

Here, Matteo Cargnello, an assistant professor of chemical engineering at Stanford University, explains his team’s work, which appears in Nature Catalysis:

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