With just a whiff of irony, let’s sing a song of praise for gasoline.
A single gallon contains more than 30,000 calories. You wouldn’t want to drink it, but in straight-up energy terms, that’s enough to power a human for about two weeks.
Gasoline is convenient, portable, and for the most part, cheap. For the purposes of this story, I used it to log more than 1,000 miles around Washington State and make appointments, easily, and always on time. Tank low? More than 2,000 filling stations were out there for me to fill her up and pay with a piece of plastic.
“The liquid fuel … » More …