ver
1/2 of the air pollution in California comes from driving. Even though
today's cars are far cleaner than cars 30 years ago, producing far less
pollutants -- 99% less VOCs, 96% less carbon monoxide, and 95% less nitrogen
oxide--these gains in reducing air pollution are dwindling because we
are driving millions more miles every day. Driving less and driving
smart are two big ways to pollute less and save money.