© 2012 HowStuffWorks.com
Most people know that the High Occupancy Vehicle (HOV) lane is for buses, carpool vans, motorcycles, emergency vehicles and cars and trucks with more than one occupant. But what if you drive a hybrid?
Whether it’s to save money or the planet, you’re probably looking for ways to cut down on how much gas your vehicle uses. Here’s a look at the world of fuel economy, from the big picture to practical tips.