air quality
Colorado to challenge Trump administration decision ending states’ waiver for stricter vehicle-emissions
The Environmental Protection Agency on Wednesday is set to end a waiver that allowed California and other states to have tighter vehicle emissions rules than ones mandated federally
Top Stories
Opinion: Why the zero emission vehicle standard matters — and what it means for Colorado
By Jill Hunsaker Ryan Opinion
In a twist, Colorado asks the EPA to lower the state’s air rating from “moderate” to “serious”
By The Associated Press Environment Primary category in which blog post is published
Colorado commission votes 8-1 to adopt zero-emissions vehicle mandate after three-day hearing
By Tamara Chuang Transportation Primary category in which blog post is published
The fierce debate over Colorado’s new zero-emissions rules includes auto dealers who are meeting future standard
By Tamara Chuang Transportation Primary category in which blog post is published
Opinion: Let’s not get left behind when it comes to clean cars, Colorado
Now is the wrong moment to hit the brakes on electric vehicles
Opinion
Automakers and state agree on ZEV alternative to get electric vehicles to Colorado faster
Zero emission vehicle mandate still being considered, but this unusual consensus means most automakers now support adoption of controversial standard
Front Range air quality is terrible, but Colorado’s efforts are showing some improvement in ozone pollution
A slate of new laws is expected to speed up air-quality improvements, but Denver still hasn't met standards that the EPA set more than a decade ago
A first look at how Colorado will become a ZEV state: the rule, the cost, the debate
If Colorado becomes a Zero Emission Vehicle state, automakers must make 5% of their inventory electric vehicles by 2023. Automakers, however, offered an alternate EV plan
Auto dealers sue state to prevent Colorado’s adoption of California’s low-emission vehicle standard
The state adopted the rule to help clean up the air quality and save on fuel, but it adds extra cost to new cars starting in 2022
