University of California, Riverside

Engines that utilize hydrogen as fuel for combustion, offering a potential alternative to traditional fossil fuel engines with reduced carbon emissions.

Engines that use hydrogen as fuel instead of fossil fuels, operating similarly to traditional internal combustion engines but producing water vapor as the primary byproduct.

An emissions control device that converts toxic pollutants in exhaust gas into less toxic pollutants by catalyzing a redox reaction. It contains precious metals like platinum, palladium, and rhodium.

California

China

Germany