vehicle emissions standard
Trump administration guts Obama-era fuel efficiency standard
California and the Natural Resources Defense Council have pledged to challenge the regulation, which the government is touting as its largest deregulatory initiative to date, in court.
Carmakers lobby EU to delay CO2 standards as Covid-19 slams brakes on industry
Auto trade bodies call for 'some adjustment to timing' of EU CO2 standards, as White House seeks to weaken fuel efficiency rules in US