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Toyota launches air-purifying billboards in California to help solve pollution problem

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Dennis Colella
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Toyota is road testing a radical idea to clean up California's troublesome air pollution problem by using advertising billboards to act as giant filters.

The car company's eco-billboard uses 'catalytic converter-style' technology whereby its titanium dioxide coated vinyl purifies the surrounding air.

Oxygen reacts with the light-activated energised surface and removes nitrogen dioxide, converting it to nitrate.

Thirty-seven eco-billboards will be placed in locations across California and San Francisco from 3 April to 28 May with the estimation that the combined 24,960 square feet of 'pollution scrubbing' surface is enough to reverse the equivalent of 5,285 vehicles' worth of nitrogen dioxide in that time.

It might seem ironic that a car company is attempting to alleviate air pollution considering vehicles on California's roads are the biggest contributors to pollution.

However, the billboards serve as part of a promotional campaign for its hydrogen-fuelled Mirai.

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Dennis Colella
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