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Hi M, Re: Hydrogen fueled aircraft....................
The problem isn't with the technology to use hydrogen to create motive power. The problem comes from creating a source of hydrogen that isn't impacting the environment to a worse degree than a carbon based fuel itself.
Sources of hydrogen are either hydrocarbon based or electrolysis based. Hydrocarbon based systems for generation hydrogen are endothermic (they use more energy than they create) and therefore not practical and also liberate CO². Electrolysis is just plain energy intensive no matter what the source.
Isn't it dangerous if some hydrogen gets into the air? Then you'll get ... Hair! . . Helium heard that joke - but Helium didn't react. . . You didn't find that funny also? You must not be hydrogen then. after all, all the other elements are somewhat denser. (oooh!)
Therefore you need a real joke: . . . Two hydrogen atoms decide that they want to ride on the Large Hadron Collider. ] They jump on a plane to Switzerland and sneak in while no one is looking. As they start to speed up one of them realizes that they have both lost their electrons. One mentions it to his friend who asks "Are you sure?" ] His friend replied, "Yes, I'm positive." (ouch) . . . "Hydrogen Monoxide! Hydrogen Monoxide! Hydrogen Monoxide!" shouted Santa. ] *Asking the Chemistry teacher to play Santa this year seemed to have backfired*
The Market Is Rallying. But Airline Stocks Are Taking Off -- Barrons.com Dow Jones Newswires November 05, 2021 10:49:00 AM ET
Travel stocks, including some of the biggest U.S. airlines, surged early Friday as positive sentiment swept across the sector.
The mood across markets was buoyed by strong earnings and news that Pfizer's (ticker: PFE) Covid-19 pill cut the risk of hospitalization or death by 89% in a trial of high-risk non-hospitalized patients. A better-than-expected October jobs report also helped.
Travel names led the way, with shares of American Airlines (AAL) and United Airlines (UAL) stock rising close to 5% and Delta Air Lines (DAL) climbing 6% in early trading. Southwest Airlines (LUV) and JetBlue Airways Corporation (JBLU) were also up more than 5%. Cruise operators also enjoyed gains, with Royal Caribbean Cruises (RCL) and Carnival Corporation (CCL) both moving 8% higher.
The sector was also boosted by earnings from Airbnb (ABNB) and Expedia (EXPE), which provided further signs that the rebound is gathering pace. Airbnb said it had its "strongest quarter ever" as the travel rebound, which began earlier this year, accelerated in the third quarter, while Expedia also beat expectations and struck an optimistic tone when it comes to the months ahead.
The U.S.-U.K. travel corridor will open up for Covid-19 vaccinated passengers from Monday, which could provide further impetus for airlines. The reopening will be a "pivotal moment" for the industry, British Airways owner IAG's (IAG) CEO Luis Gallego said early Friday.