California Regulators Move to Protect the State's Fuel Efficiency Standards
The new plan would require automakers to comply with the state's more stringent greenhouse gas emissions rules despite proposed rollbacks.
The Trump Administration Releases Its Plan to Roll Back Fuel Efficiency Standards
The plan would end efforts to make cars and trucks average more than 50 miles per gallon by 2025.
The Trump Administration Is Expected to Weaken Fuel Emission Standards Next Week
This move will bring up questions about the waiver that currently allows California to set its own, stricter emissions standards.
How California's Clean Air Regulations Have Reduced Whale Strikes by Cargo Ships
Rules intended to protect people from pollution are simultaneously saving the lives of whales by slowing down cargo ships, but researchers say more still needs to be done.
The EPA Plans to Weaken Fuel Emissions Standards. California Plans on Fighting Back.
The effect of lax federal fuel standards on the climate fight depends largely on the fate of the California waiver.
What's the Cost of Emissions to the United States?
U.S. regulators are now dinging Volkswagen for cheating on nitrogen oxides emissions tests. Data shows that officials are right to be upset.
Transportation Theorists Rally Around Vehicle-Miles-Traveled Tax
Fuel economy is a great idea, unless you’re counting on the taxes that fuel sales generate to pay for something. Maybe there’s a better way …
Transportation Research Board Examines Driving Less
A national gathering of transportation wonks try to square the circle, fitting private cars into a low-carbon economy.