https://ieeexplore.ieee.org/document/7934224
Vaclav Smil
Abstract:
Some technical advances are delayed by either a failure of imagination or a concatenation of obstructive circumstances. I can think of no better example of both of these than the bicycle. . Two centuries ago, on 12 June 1817 in Mannheim, Karl Drais, a forester in Germany’s grand duchy of Baden, demonstrated for the first time his Laufmaschine (“running machine”), later also known as a draisine or hobby-horse. ….
Revel’s mopeds find a role during pandemic, but safety issues emerge – CNN
https://www.cnn.com/2020/07/22/tech/revel-moped-safety/index.html
Revel Suspends Scooter Service in N.Y.C. After Two Deaths – The New York Times https://www.nytimes.com/2020/07/28/nyregion/revel-scooters-death-nyc.html
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“Health benefits are harder to quantify, especially in smoggy cities like Beijing. Mobike has found that its bikes are used more or less as much when the air is really bad as when it is not, suggesting that the good done by exercise may be undone by heavy breathing in toxic air. But in less-polluted cities the gains from exercise are larger than the risks from road accidents or air pollution, according to a study of Barcelona in the British Medical Journal.
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How #bikesharing conquered the world
https://www.economist.com/news/christmas-specials/21732701-two-wheeled-journey-anarchist-provocation-high-stakes-capitalism-how Using tech to overcome the problem of theft. Getting health benefits from exercise to counterbalancing breathing polluted air. Reducing congestion a bit.
What Does @Tesla’s Automated #Truck Mean for Truckers?
https://www.Wired.com/story/what-does-teslas-truck-mean-for-truckers/ What does it mean for drivers?! I guess: much safer highways & fewer tailgated & terrorized motorists!
Mapping #AirPollution with new mobile sensors
https://www.EDF.org/airqualitymaps Quote: “Any business that relies on heavy-duty diesel trucks can pose a health risk to its neighbors.”
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“This is one of several spots that caught our interest: High levels of pollutants in an area that includes homes, and this playground, close to industrial warehouses. Any business that relies on heavy-duty diesel trucks can pose a health risk to its neighbors.”
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