Chilean authorities are readying significant revisions to the government plan for cleaning up the severely polluted air here in the nation’s capital. The new measures include rules aimed at removing cars from the road that don’t have catalytic converters; tighter restrictions on car use during smoggy periods; reductions in the sulfur content in fuels; and new standards aimed at boosting the efficiency of wood-fueled stoves. The revisions come as four cities in southern Chile are reporting worrisome smog levels. Mostly due to the wide use of wood stoves for residential heating and cooking, the cities of Valdivia and Temuco experience air pollution rivaling that of Santiago in winter, when smog is at its worst. The cities Talca and Concepción, meanwhile, also report smog concentrations... [Log in to read more]