article thumbnail

Ask a Scientist: UCS Transportation Program Adds Equitable Mobility to its Portfolio

Union of Concerned Scientists

Thanks largely to the Clean Air Act, new passenger vehicles are 98 to 99 percent cleaner than they were 60 years ago when it comes to most tailpipe pollutants, including hydrocarbons, carbon monoxide, nitrogen oxides, and fine particulate matter. Tailpipe pollution also is a major contributor to the climate crisis.

article thumbnail

Can the New Climate Laws Transform our Transportation Infrastructure?

Legal Planet

Transportation is one of the most complicated and urgent areas of the clean-energy transition. The sector—including personal transportation like passenger cars, as well as air, marine, and surface goods and people movement—is the largest source of greenhouse gasses in the U.S.: Private or Public Transportation?

Law 182
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Is It Possible to Phase Out Petroleum and Transform our Transportation System?

Union of Concerned Scientists

Replacing petroleum with renewable electricity as the primary source of transportation energy will leave us all much better off. Tailpipes from our cars, trucks and buses are also a major source of toxic local air pollution that disproportionately harms overburdened and underserved communities.

article thumbnail

DEP Awards $2.9 Million For Clean Diesel Transportation To Improve Air Quality

PA Environment Daily

million to seven applicants for the PA State Clean Diesel Grant Program , which provides financial incentives and support for fleet owners and operators to reduce air pollution from their vehicle fleets. Transportation is one of our biggest areas of impact for improving air quality,” said DEP Interim Acting Secretary Jessica Shirley.

article thumbnail

Recentering Environmental Law: A Thought Experiment

Legal Planet

First of all, we would have had a very different understanding of the air pollution problem. We thought that the key to reducing air pollution was to require better pollution control devices. How would environmental law look different and how might we be thinking about it differently?

Law 283
article thumbnail

Replacing California’s Oldest and Dirtiest Cars Will Save Money and Lives

Union of Concerned Scientists

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

article thumbnail

The State of the Air in 2024? Not Great

Union of Concerned Scientists

So of course the American Lung Association ’s yearly report, State of the Air (SOTA), published every year since 2000, is of professional and personal interest. The air quality for this report was calculated using data reviewed by EPA from 2020, 2021, and 2022. These particles are categorized by size. We cannot change the topography.

2024 152