MPG of Bicycles and Walking

Tom Murphy of Do the Math walks us through a topic that’s as crucial to the future of progressive, science-and-communications aided, modern society as anything could be: the comparative energy efficiency of human muscled-powered locomotion. Corporate capitalism presumes the continuation — and, hence, the sustainability — of present mobility arrangements in at least its core areas. Under that … Read more

Hey, Capitalist Kiddies: It’s PorscheLand!

Remember how, massively contrary to mainstream claims, automobile ownership is actually one of the most unequally distributed of all so-called “consumer” product categories? While their apologists manufacture dogmas about how cars unite the whole society across class lines, the reality is that, for the rich, cars are luxurious toys paid for out of petty cash. This fact … Read more

Doing the Car Math

In his latest Do the Math post, physicist Tom Murphy estimates that total human energy use, in all forms across the whole globe and its 7 billion inhabitants, is something like 13 TW (TW = terawatts, or trillion watts). Murphy also calculates that the United States’ annual use of 7 billion (yes, it’s the same … Read more