Green Math

My round-trip from home to work and back is 17.8 miles. Since I filled the Prius with gasoline last Sunday my average miles-per-gallon (according to the computerized readout on the dashboard) is 54.7. So, 71.2 miles (I’m privileged to work four ten-hour days) on 1.3 gallons of gas that cost $3.49 per gallon means that I’ve commuted for a total cost of $4.54. I’ve taken the bus, but not that inexpensively. Plus, I’ve emitted virtually zero greenhouse gases by driving a hybrid. I really have no patience left with anyone who’s complaining about the price of gas these days.