Why is eco-conscious California spending millions to support natural gas?

A Los Angeles-area air board faces questions over grant spending amid some of the worst air pollution in the US

In the course of an hour, more than a hundred big rig trucks chug through the aptly named city of Commerce. The heavily Latino community in Los Angeles intersects Interstate 710 – the main highway that moves cargo shipments from the nearby ports to their final destinations.

Along with the merchandise they deliver – Amazon shipments, produce and Mitsubishis – the trucks emit significant amounts of air pollutants. As do the dozens of cargo ships that cluster outside the ports and the freight trains that transport goods.