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One goal was to have 30% of the population covered by comprehensive smoking bans by 2022, and 80% covered by 2030

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"Smoking in a vehicle with the windows or a vent open reduces the amount of secondhand smoke in the car, but even under these conditions the resulting particle levels are at least twice the EPA 24-hour recommended exposure limit," the agency states

The machine leans heavily on 3D printing, but also on simple hardware-store parts like aluminum and brass tubes