Greenhouse Gas Emissions
Republican Senators Press Attack on CA’s Clean Air Laws
Anyone hoping that Congressional Republican leaders would follow generations of precedent regarding the role of the non-partisan Senate Parliamentarian or the Government Accountability Office (GAO) had a very bad day yesterday.
May 21, 2025
As Minnesota Finalizes New Emissions Rule, The Devil Is In The Details
If Minnesota puts its transportation system on a path to net zero, other states will have a model to follow in addressing the highest emitting sector.
December 19, 2024
The Emissions Data GOP Pols Don’t Want Americans To See
Dozens of red states sued to stop the release of their state transportation emissions data. A new report gives a glimpse into what they were trying to hide.
November 19, 2024
KOMANOFF: A Lesson for NYC’s Congestion Pricing Came Last Week from Washington State
New York's Gov. Kathy Hochul should heed the message sent by Washington State voters, who supported a carbon tax measure that they once voted down.
November 13, 2024
Tackling Transportation Emissions Requires Focus on Transit
California's Low Carbon Fuel Standard has flown under the radar for a long time, and recently has come under attack. But if California is serious about climate action, we must clean up our fuel supply while also reducing our dependence on fossil fuels.
November 4, 2024
Why Red States Are Suing to Hide Their Transportation Emissions
"They’re saying they don’t have the capacity to measure greenhouse gas emissions, and in the same [document], they’re saying they do; I’d like to know which it is."
January 3, 2024
Opinion: Transport Officials Should Embrace Greenhouse Gas Emission Measurements, Not Fight Them
Reducing emissions over time is perfectly compatible with building and maintaining a world-class transportation system — but only if you aren’t afraid of a little data transparency and accountability.
December 19, 2023
Talking Headways Podcast: Zero Emissions Delivery Zones
This week we’re joined by Hamilton Steimer of the World Resources Institute to talk about electrification of fleets, what cities have the best programs for ZEDZ, and the current moment in urban delivery.
April 20, 2023
Transport is the Leading Source of U.S. Emissions — Again
America's transportation sector remains the leading national driver of the climate crisis — and automobile drivers aren't helping.
January 12, 2023
Research: Scooters Cut Car Travel and Emissions More Than Previously Thought
A pair of new studies are challenging the myth that micromobility doesn't cut car travel or reduce more emissions than the modes they tend to replace.
November 4, 2022
