Centennial Airport is Leading the Way With Unleaded Avgas

Author: Jodi Richards Published in: November-December 2023 In early May, Centennial Airport (APA) in Englewood, CO, became that state’s first airport to offer unleaded aviation gas for piston-engine aircraft. The active general aviation facility is even offsetting associated costs for early adopters who buy the more expensive eco-friendly alternative. Executive Director Mike Fronapfel says that

EPA Proposes Endangerment Finding for Lead Emissions from Aircraft Engines that Operate on Leaded Fuel

Proposed Endangerment Finding, if finalized, is an important step forward to address the largest remaining source of lead pollution to air October 7, 2022 Contact Information EPA Press Office (press@epa.gov) EPA Proposes Endangerment Finding for Lead Emissions from Aircraft Engines that Operate on Leaded Fuel Proposed Endangerment Finding, if finalized, is an important step forward

*Where’s my Clair Patterson?

There is this form of air pollution, which you probably have not heard of, called ultrafine particulates (UFPs). Though they are invisible, they seem to have some particularly nasty effects on human health. UFPs have not been well-studied, they are unregulated, and yet they are prevalent in commercial jet engine emissions. But this is not

The Ethyl-Poisoned Earth

Long-Form: Chronically catastrophic chemist Thomas Midgley accidentally poisons the world with a neurotoxin, and Clair Patterson tries to stop him. Written by Alan Bellows • Non-Fiction • December 2007 Thomas Midgley At the turn of the twentieth century, as the age of automobiles was afoot, the newfangled gasoline-powered internal combustion engine began to reach the limitations of the fuel that fed it. As

The Secret History of Lead

Research support was provided by the Investigative Fund of The Nation Institute. Follow-ups: “Amplification,” June 19, 2000 and letters exchanges: “Lead–Balloons and Bouquets,” May 15, and “Lead-Letter Office,” July 3, 2000. JAMIE LINCOLN KITMAN The next time you pull the family barge in for a fill-up, check it out: The gas pumps read “Unleaded.” You might reasonably suppose this is because naturally