So, what if heavy-duty diesel-truck-emissions standards are relaxed after all? – 2

So, what if emissions- and fuel-efficiency standards for heavy-duty diesel trucks are circumvented and more and more high-polluting glider trucks are allowed on America’s roads? First, to recap, from the “Why EPA proposal to put high-polluting diesel trucks back on American roadways is a bad move” post (Part 1), a “glider” truck is: “one where … Read more

Why EPA proposal to put high-polluting diesel trucks back on American roadways is a bad move

The U.S. Environmental Protection Agency (EPA) is once again in the spotlight, this time by its proposing to allow high-polluting diesel “glider” trucks to operate on America’s roads. A glider truck is one where an older, high-polluting engine is attached to a new chassis and the entire package is then sold as new. There are … Read more

Lawn, related equipment-emissions output could outstrip light-duty vehicles’ in So Cal if …

In California, the California Environmental Protection Agency Air Resources Board (ARB) refers to lawn mowers, garden and other outdoor power equipment equipped with spark-ignition engines as “small off-road engines,” the acronym being SORE. For the record, the power rating of such is limited to 25 horsepower max. Now, add to this that in the Golden … Read more

Research reveals diesel exhaust dirtier, more damaging to health than previously thought

“New study quantifies global health, environmental impacts of excess nitrogen oxide emissions from diesel vehicles” is the title of a May 15, 2017 press release from the International Council on Clean Transportation (ICCT). In no uncertain terms the ICCT announced, “[b]oth light-duty and heavy-duty diesel vehicles emit more NOx in on-road driving conditions than during … Read more

On cleaning the air, a very cautionary tale

There isn’t a person following the air-pollution story (situation) closely who shouldn’t also be aware that millions worldwide annually are dying early from its effects. A truly sad state of affairs if ever there were one! It’s not as if we humans aren’t aware of the problem, in this case such being pollution – quite … Read more

Group literally taking air-pollution monitoring to the streets in California

An industrious organization known as Aclima (with the help of Google), is taking air-pollution measuring to the streets, literally; to the next level, if you will. But, why the need to mobile monitor? As Aclima explains, “Today Aclima’s mobile air quality measurement technology creates the opportunity to provide air pollution data to regions lacking measurement, … Read more

‘SoCal-based air district sued. Violations of NOx RECLAIM program alleged’ post revisited, update

Back on March 10, 2016, on the Air Quality Matters blog this article: “SoCal-based air district sued. Violations of NOx RECLAIM program alleged,” was posted. Now, an important update to this story. Story update The Earthjustice organization on Nov. 8, 2017 issued the “Southern California Court Rules Against Air Board’s Decision to Adopt Weak Amendments … Read more

Going the distance: As to pollution’s ‘hitching a ride’ on locomotive air, implications

Air pollution isn’t motionless – it moves. And, currents of air (wind), is what enables its movement. The occurrence can alternatively be called air pollution locomotion, the word “locomotion” meaning place-to-place moving. Depending on conditions present, pollution in the air can travel thousands of miles from where it is sourced. There is conclusive evidence that … Read more

Bad-air tales: It is my experience …

Actor, comedian, pianist and singer Jimmy Durante once said: “I got a million of ’em.” He was no doubt referring to “experiences.” I make reference to the above for the simple reason that experience is invaluable. A lot of experience is gained through direct observation via the eyes. More of it is acquired through sound … Read more