There is strong debate swirling around proposals to ease federal air-quality standards and other environmental regulations — including fuel efficiency requirements for automobiles. Arizona is among places where officials are raising concerns about the potential impacts of such changes. Fulton Schools Professor Ram Pendyala says such regulations have actually sparked innovation by encouraging manufacturers to develop more fuel-efficient cars and less polluting technologies.

See also, Proposed Trump Administration fuel efficiency standards causing concerns for public health, KJZZ news, September 26