Union of Concerned Scientists

JUNE 6, 2023

As early as 1966 , the state began to take regulatory action to reduce pollution from passenger cars and trucks. 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. Combining the PM 2.5

Air Pollution 185

Air Pollution Nitrogen Oxides 2004 2003 185

Union of Concerned Scientists

NOVEMBER 3, 2022

Primarily, these have focused on the 2007 EPA regulations, which were the first step in the phase-in of diesel engine standards meant to cut particulate emissions by more than 80 percent and smog-forming nitrogen oxides (NO X ) emissions by 90 percent. <mic drop> So, is industry just full of it?

2007 255

2007 Regulations Nitrogen Oxides 2004 255

PA Environment Daily

OCTOBER 29, 2021

“For 17 years, EPA’s SmartWay Transport Partnership has empowered businesses to move goods in the cleanest, most energy-efficient way possible, while protecting public health and reducing air pollution.” Since 2004, SmartWay Partners have avoided emitting more than 143 million metric tons of carbon dioxide (CO2,), 2.7

Nitrogen Oxides 40

Nitrogen Oxides Carbon Dioxide 2004 Air Pollution 40

PA Environment Daily

JANUARY 21, 2022

million in Alternative Fuel Incentive Grants (AFIGs) to 18 cleaner fuel transportation projects statewide that will reduce greenhouse gas emissions and other air pollutants. Transportation generates 47 percent of nitrogen oxide emissions in Pennsylvania, contributing to the formation of ground-level ozone.

Nitrogen Oxides 52

Nitrogen Oxides Greenhouse Ground-Level Ozone Carbon Dioxide 52

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