Trackless trains: Is that the future? 2

Trackless trains by definition have no wheels nor do they rely on rails upon which railroad wheels roll, as is the case with conventional rail systems, the exception being the Tubular Rail passenger application, in this case the understanding being that the plan is to employ rails (and rollers which, according to the plan, are … Read more

Trackless trains: Is that the future? 1

The utmost in interplanetary human transport has yet to be commercially delivered. Such is the same regarding delivery of the utmost in intra-planetary travel. We have not yet arrived at either of those so-called “destinations.” Though on the journeys there, we’ve been uninterruptedly, if not, unwaveringly, plodding along. As for what we’re in search of … Read more

On-site pods give visitors first-hand look at air pollution, climate change effects at COP25

Interesting displays at this year’s 25th Conference of the Parties conference on global warming and climate change being held in Madrid, Spain, between Dec. 2nd and the 13th, are the air pollution and climate change pods that people can pass through enabling them to have a first-hand look at what 90 percent of the world’s … Read more

Monday start: 2019 world climate forum in Madrid – heightened ambition sought

The below Nov. 29, 2019 press release from United Nations Climate Change. As the global climate emergency intensifies and greenhouse gas emissions continue to grow, governments will gather in Madrid for the UN Climate Change Conference COP25 (2 to 13 December 2019) to take the next crucial steps in the UN climate change process. The … Read more

Hefty economic costs, new hospital admissions causes linked to daily PM2.5 exposure

The below Nov. 27, 2019 press release from the Harvard T.H. Chan School of Public Health. Hospitalizations for several common diseases—including septicemia (serious bloodstream infection), fluid and electrolyte disorders, renal failure, urinary tract infections, and skin and tissue infections—have been linked for the first time with short-term exposure to fine particulate air pollution (PM2.5), according to a … Read more

To meet 1.5°C Paris goal 7.6 percent emissions cut per year for next decade required, report finds

The below Nov. 26, 2019 press release from United Nations Environment Programme. On the eve of a year in which nations are due to strengthen their Paris climate pledges, a new UN Environment Programme (UNEP) report warns that unless global greenhouse gas emissions fall by 7.6 per cent each year between 2020 and 2030, the … Read more

Measuring transpo. emissions: Per-mile or per-gallon of gas burned. Which is more useful and why it may matter

It’s no secret transportation emits more greenhouse gas pollutants (carbon mostly) than any other single sector and that emissions from transportation worldwide are on the rise. And, it should be no mystery either that for every gallon of gasoline burned in an internal combustion (IC) engine, 19.64 pounds of carbon dioxide from said burning is … Read more

When it comes to railway-propulsion development, these are exciting times!

From wood and coal and oil (for steam generation) to electricity, gasoline, diesel, liquefied natural gas, linear induction, magnetic levitation, vacuum tube and hydrogen propulsion (did I miss any?) the world of train-power generation has experienced it all. What we’re talking about here are generations of train-propulsion techniques, some of which were tried but never … Read more