Don’t Buy Hot Gasoline
As stuff gets warmer, it expands. That’s why bridges, freeways, and sidewalks have expansion joints. The gaps provide room to expand into on hot summer days. Gasoline does the same thing. As it gets warmer it takes up more room. But “bigger” gasoline doesn’t power cars father. The amount of energy in gasoline depends on…
The Economy of Bicyling to Work
I rode my bike to work four days last week and a couple of days the week before. Am I saving money? Let’s check the receipts: $29.50 for bicycling gloves $23.00 for bar end grips $??.?? for the new helmet I need to buy today If I had driven to work and out for lunch…
MPG or GPM?
Which saves more gas? Replacing a 10 MPG car with a 20 MPG car Replacing a 25 MPG care with a 50 MPG car The answer might surprise you. The video poses a thought question but doesn’t answer it. The answer is so counterintuitive that I thought it worthwhile to answer here. Suppose a car…
I received this picture in an e-mail from my father-in-law, who says his tractor needs diesel. I married his eldest. ;-)