Tougher emissions rules helped cut US air pollution deaths in half
Reduced car emissions may have played a key role.
Trump administration reveals plans to roll back vehicle fuel standards
The proposed policy would significantly curtail emission goals.
Trump proposal would end California's tougher car emission standards
It would also halt an ongoing bid to boost fuel efficiency.
11 states sue EPA over attempt to reverse ban on ozone-harming HFCs
They claim the agency is skirting the law on climate-changing chemicals.
Regulation has helped, not hindered California’s green economy
How else do you grow an economy by 80 percent without increasing carbon emissions?
EPA faces lawsuit from 17 states over reversing car emissions rules
It's not going to undo standards without a fight.
US sues Fiat Chrysler over diesel emissions cheating
It supposedly used software to mislead regulators.
Chrysler pulls a VW, cheats emissions tests
The EPA says Chrysler is violating the Clean Air Act.
Report: FBI arrests Volkswagen executive over Dieselgate
Former VW regulatory head Oliver Schmidt faces conspiracy charges, says the NY Times.