By Paul Rogers Mention air pollution, and what comes to mind? Factories? Oil refineries? Auto tailpipes? Now Bay Area smog regulators are trying to crack down on another source that they say is just as significant, even if beloved: home fireplaces.

By Paul Rogers Mention air pollution, and what comes to mind? Factories? Oil refineries? Auto tailpipes? Now Bay Area smog regulators are trying to crack down on another source that they say is just as significant, even if beloved: home fireplaces.

SAN JOSE, Calif. _ Mention air pollution, and what comes to mind? Factories. Oil refineries. Auto tailpipes. Now Bay Area smog regulators are trying to crack down on another source that they say is just as significant, even if beloved: home fireplaces.

By Paul Rogers Mention air pollution, and what comes to mind? Factories? Oil refineries? Auto tailpipes? Now Bay Area smog regulators are trying to crack down on another source that they say is just as significant, even if beloved: home fireplaces.