A grassroots campaign to demand clean cars The Magazine of the Union of Concerned Scientists Vol.
Clean cars are here.
Yet automakers are reluctant to support these cleaner technologies, claiming there is no consumer demand. We know they're wrong and have launched the Clean Car Pledge Campaign to prove it. The campaign will show automakers and policymakers that consumers want clean cars. Soon Motor vehicles produce a third of the pollutants that cause US smog and a quarter of the US emissions of the heat-trapping gases that cause global warming. With the number of motor vehicles expected to grow dramatically in the next few decades, these problems will only worsen.