CATS: Light-emitting diode light comes shining through

Number nine in the Clean Air Technologies Series. I find it amazing the way technology has evolved so. I remember being able to walk into the neighborhood electronics parts store with vacuum tubes from home audio entertainment equipment, guitar amplifiers, televisions, radios, and what-not and being able to test their integrity on vacuum tube testers, … Read more

Pain at the pump: Top off that tank, kiss gas (and money) goodbye

In America a half-century ago, transportation ate up approximately 10 percent of household income. Those days and times are gone for good, but, then again … At any rate, according to renowned architect, a founding member of Congress for the New Urbanism and book author Peter Calthorpe in “The New Transit Town: Best Practices in Transit-Oriented … Read more

CATS: Emission recovery systems the latest craze and all the rage?

Number eight in the Clean Air Technologies Series. Think how many fugitive vapors or emissions there are in the world. What if they could all be captured and put to good use? In “Device converts manure gases into clean and useful energy,” discussed was how methane, a biogas emitted naturally from manure and, how with the … Read more

California high-speed rail looks to renewable resources for electricity supply

In “Trains prove their worth in helping improve air,” I offered, “In the final analysis if the growth in passenger train ridership is to continue, then additional service will be necessary. ….Electrified California high-speed rail service, on the other hand, expected to break ground later this year, when built and operational, will provide a viable alternative to meet … Read more

Trains prove their worth in helping improve air

In “CATS: Decline in smog-forming emissions from California cars a bright spot,” I credited improvement in state motor vehicle smog-forming emissions to “initiatives such as the state’s Smog Check and other programs.” California’s Smog Check Program, by the way, went into effect in 1984. Moreover, noted in “Planning for a Better Future: California 2025: 2010 Update,” a Public Policy … Read more

CATS: Decline in smog-forming emissions from California cars a bright spot

Number seven in the Clean Air Technologies Series. In a 1952 “Key Events in the History of Air Quality in California” entry, the California Air Resources Board (ARB) revealed, “Dr. Arie Haagen-Smit discovered the nature and causes of photochemical smog. He determines that nitrogen oxides and hydrocarbons in the presence of ultraviolet radiation from the sun forms smog (a … Read more

Beyond Oil/Sierra Club ‘Smart Choices, Less Traffic’ report gives transit the green light

By the time the mid-20th century rolled around, the American streetcar had seen far better days. But for this inspiring institution, it was neither the end of the road nor the end of the American electric street railway story. Yes, the near-total disappearance of the once-mighty and utilitarian trolley network is sad, but it’s also profound, though … Read more