The Prius's high fuel economy, and resulting low emissions, make it the second-greenest choice. It's also a more practical choice since it has a much longer range and is much easier to refuel than a natural gas-powered car.
Some CEOs and founders agree to salaries of just $1 a year. But once goodies like bonuses and stock options are added in, some of those executives end up taking home many millions of dollars a year. More