Union of Concerned Scientists

JUNE 6, 2023

As a result of continuing progress on regulations, the air-polluting emissions of new passenger vehicles currently for sale are thankfully much lower than those of older vehicles. These older vehicles are responsible for 73% of all nitrogen oxide exhaust from passenger vehicles and 64% of reactive organic gases.

Air Pollution 195

Air Pollution Nitrogen Oxides 2004 2003 195

Union of Concerned Scientists

NOVEMBER 3, 2022

I’ve written previously about how the truck industry is fighting regulations at the state and federal level with everything they’ve got. One of the scare tactics truck manufacturers have been pushing is the old industry canard of job-killing regulations. Why would truck regulations impact jobs?

2007 265

2007 Regulations Nitrogen Oxides 2004 265

Environment, Law, and History

AUGUST 27, 2023

Dan Farber at Legal Planet recently posted on "Cars, Smog, and EPA" An excerpt: For the first 20 years of federal regulation, Congress set the NOx [nitrogen oxides] standards for new cars itself. That’s quite different from the standards for industrial pollution sources, which Congress has always delegated to EPA.

Nitrogen Oxides 52

Nitrogen Oxides Clean Air Act Pollution Control 2004 52