Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com.
BrainStuff
2,611 clip(s)
What Happens When Your Immune System Turns on You?
How Can Slime Mold Think Without a Brain?
What's the Difference Between Cougars, Pumas, and Mountain Lions?