Say what you want about those older, gas-guzzling cars, but they let you know in seconds how your driving habits affected your gas supply: If you gunned the gas when the traffic light turned green, you watched in amazement as the needle sunk by one-eighth or more.
It's simple to do this kind of math. If you spent $20 to fill your tank, then that hasty start cost you $2.50 (and – who knows – may have been worth it).
It would be nice if our energy-consuming habits around the house registered such swift responses. The U.S. Department of Energy touts many ways that “the typical” homeowner who spends about $1,400 a year on electricity can cut costs by 30 percent, or $420, a year.Read More [fa icon="long-arrow-right"]