Discourse for all interested in all things air-quality related
It’s been over 10 years and it’s about time we had this talk. Air quality, quality of life, quality assurance, quality control, quality this, quality that and quality the other. Quality – more or less – connotes a condition or a state, as in the condition or state of some thing. Take quality of life, … Read more
Partial Zero-Emissions Vehicles or PZEVs for short, seem to be one of those “oddball” classes of vehicles. PZEVs have internal combustion engines but their engines produce no what are referred to as evaporative emissions. Hybrids, unlike PZEVs, emit exhaust but the amount of emissions emanating from the exhaust is comparatively much lower than that coming … Read more
SAN FRANCISCO, July 12, 2023—An overwhelming majority of Californians say that extreme weather events are a problem in their part of the state, including about one in three who say they are a big problem. A majority of Californians think the use of electric vehicles (EVs) helps address climate change; half of the state’s residents … Read more
WASHINGTON – Today [Jun. 21, 2023], the U.S. Environmental Protection Agency (EPA) issued a final rule under the Renewable Fuel Standard (RFS) program that establishes the biofuel volume requirements for 2023 to 2025. This final rule builds on the RFS program’s progress over the previous two years and reflects the Biden-Harris Administration’s commitment to strengthen the … Read more
There is much debate over how best to achieve net-zero emissions. While I don’t have the definitive answer, I surely have an opinion. Keep in mind that greenhouse gas (GHG) emissions worldwide are still rising. But, understand also that transportation contributes significantly to that increase. The biggest atmospheric-GHG contributor within the transport sector, meanwhile, is … Read more
A new study published today [May 11, 2023] by the International Council on Clean Transportation (ICCT) assesses where, when, and how much charging infrastructure will be required by 2030 to support the fast-moving transition to zero-emission medium and heavy-duty vehicles in the United States. Infrastructure development creates economic opportunity for local communities, and business opportunities for … Read more
There is no other place on Earth quite like California. In fact, if an independent nation, California’s economy would rank as the world’s fifth largest. That’s no idle boast. Neither is the fact that the Golden State is 105 million acres in size* on which some 40 million residents have staked out some kind of … Read more
There’s an electric-truck wave headed for California. Although relatively slow in coming, make no mistake: the sweep will be thorough. “‘California continues to lead by example with first-of-its-kind standards to slash air pollution and toxics from heavy-duty trucks,’ said Yana Garcia, California’s Secretary for Environmental Transportation.* ‘Where you live, work, or go to school should not … Read more
This past weekend on both Saturday (Apr. 29, 2023) and Sunday (Apr. 30, 2023), I watched two of what I thought were powerful, made-for-television programs. The first “In Real Life,” the Mining for Clean Power, episode, and first aired on the Scripps News network on May 15, 2022, dealt with one aspect of the renewable energy … Read more
WASHINGTON, D.C. — Today [Apr. 12, 2023], EPA unveiled two regulatory proposals to lower tailpipe emissions from cars and trucks. The cars proposal seeks to modernize the nation’s car standards and gradually shift passenger vehicles in the United States to non-polluting, zero emissions vehicles. The standards will cover model years 2027 to 2032, and build … Read more