South Coast Air Quality Management District

Aerial view of large warehouses in Southern California with hills in background.

California Air Regulators to Crack Down on Warehouses

Truck traffic to and from Southern California warehouses accounts for as much pollution as refineries, power plants, and other industrial polluters combined.

September 22, 2023 - Los Angeles Times

Rural Traffic

Replacing Diesel-Powered Trucks With Natural Gas, Hybrid, and Battery Power

The U.S. Department of Energy, in partnership with the California Energy Commission and the South Coast Air Quality Management District, awarded $18 million to nine companies and universities to advance natural gas technology for trucks.

March 26, 2019 - Climatewire

Volvo to Sell All-Electric Heavy Trucks in North America in 2020

Volvo gained attention last year by announcing it would stop making new internal combustion engine models. Now it plans to electrify its 2020 truck models as well. A demonstration program will be launched in Southern California next year.

October 4, 2018 - Transport Topics

Los Angeles Harbor Freeway

California Has 8 of the 10 Most Polluted Cities in the U.S.

Despite ever-stricter air-quality regulations and dropping emissions, the American Lung Association once again finds the state to have some of the worst air in the nation.

April 24, 2018 - USA Today

Carpool Lane Sticker

Southern California Air Quality Paradox: Air Quality Worsens While Emissions Drop

Ozone pollution is worsening in five counties in Southern California, and the Air Quality Management District doesn't know why.

November 30, 2017 - Los Angeles Times

Metro Buses

Los Angeles Metro Begins Conversion to Renewable Natural Gas Buses

At a June 22 meeting, the Los Angeles County Metropolitan Transportation Authority board ordered 295 buses that will be fueled with renewable natural gas. An expected purchase of 35 electric buses was delayed until next month's meeting.

July 1, 2017 - NGT News

Presidio Park

The Environmental Trade-Off for Raising California's Fuel Taxes

Come November 1, gasoline and diesel taxes will increase by 12 and 20 cents per gallon, respectively, in California, providing badly needed revenue to repair roads, bridges, and improve transit, but truck pollution loophole will still foul the air.

April 27, 2017 - The Press-Enterprise

Cleanest Diesel Locomotives to Join Southern California Commuter Rail Fleet

Forty so-called Tier 4 locomotives, a U.S. Environmental Protection Agency designation requiring a dramatic reduction in particulate and nitrogen oxide emissions, will be joining Metrolink's fleet covering 512 track miles in six counties.

July 20, 2016 - Los Angeles Times

Lake Perris

Why It Makes Sense for Developers to Go to the Ballot Box in California

It may seem understandable for developers to resort to the ballot box after encountering difficulty with a planning commission or city council, but in California it makes sense even for cities like Moreno Valley that are friendly to new development.

June 14, 2016 - The New York Times

The Greening of Large Trucks Begins at California's Ports

A Planetizen blog post by Casey Brazeal asks, "When will the trucking industry electrify?" Three truck manufacturers and electric truck builder BYD Motors are now in competition thanks to a $23.6 million state grant to the South Coast Air District.

May 9, 2016 - Fleet Owner

EPA Rejects Southern California Plan to Reduce Fine Particulate Pollution

The South Coast Air Quality Management District is in the news again, this time for going too easy on the region's big polluters—just what staff had warned would happen before the board fired its well-respected executive director.

March 22, 2016 - Los Angeles Times

California State Senate Reacts Quickly to Air Management Board Shakeup

New Republican majority of SCAQMD voted to adopt oil industry-backed emissions rules on refineries and other major pollution sources

March 10, 2016 - Los Angeles Times

Big Oil Takes on Clean Fuels, Again

Having lost at the California Supreme Court, Big Oil will take their battle against California's Low Carbon Fuel Standard to the legislature with influential lobbyists.

March 7, 2016 - KQED Science

New Republican Majority Flexes Muscle on Southern California Air Board

The long-time executive director of the South Coast Air Quality Management District, Barry Wallerstein, may be removed to make the powerful regulatory agency more business-friendly. The board meets in closed-session on Friday.

March 3, 2016 - Los Angeles Times

A 'Good News' Air Pollution Study for a Change

Too often we report on new studies showing how air pollution worsens public health, often causing premature death. For a change, here's a study showing how efforts to improve air quality in Southern California have boosted public health in children.

March 9, 2015 - The Wall Street Journal

Los Angeles Breathing Easier Due to Reductions in Airborne Toxins

The improvement in air quality comes from reductions in toxic emissions from autos, trucks, and ships. Enjoying the cleaner air were tens of thousands of Angelenos riding on miles of streets closed to auto traffic for the 10th CicLAvia event.

October 8, 2014 - Take Part

'eHighway' Pilot to Deliver Clean Air for Southern California Ports

Nate Berg details the "eHighway" road design project that will move goods away from the ports of Los Angeles and Long Beach.

September 30, 2014 - CityLab

Critics Outline Grey Areas in L.A.'s "Green" Harbor Rail Yard Project

Critics of the proposed $500-million Southern California International Gateway, which is being touted as “one of the 'greenest' freight yards in the nation," contend it will actually reduce air quality and harm low income, minority residents.

November 1, 2012 - Los Angeles Times

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