Prevent pollution at home by minimizing power equipment

SAN DIEGO– When many people think of pollution, among the first images that come to mind are crowded highways with gas guzzling big rigs spewing exhaust into the air. But oversized trucks hauling loads don’t have the pollution market cornered. In fact, many homeowners might be contributing to air pollution every time they work on their own yards.

Emissions from lawn mowers, chain saws, leaf blowers, and other outdoor power equipment account for a significant amount of pollution. What’s more, such emissions might be contributing to the formation of ground-level ozone, which can compromise...