regional v.s. localized
regulation is playing the catch up game
Worst Bay Area Polluters Being Let Off The Hook?
http://sanfrancisco.cbslocal.com/2014/06/29/398744-chevron-refinery-pollution-polluter-bay-area-air-quality-management-district-gas-oil-spare-the-air-particulates-epa-regulation/?fb_action_ids=10152613818701159&fb_action_types=og.likes&fb_ref=.U7Gt3iF2vVU.like