As part of Popular Science's big Future of Energy package, the magazine outlines "10 steps to end America's fossil-fuel addiction." On the PopSci site, each step links to a longer explanation of the technology and potential impact. Here are the first five:
* Step 1: Harness the Wind
Turbines are getting stronger, lighter, bigger* Step 2: End Gridlock
Make power where we use it* Step 3: Rev Up Our Hybrid Rides
Ultralight parts and a plug could double America's mileage* Step 4: Brew Better Ethanol
With a little help from our termite friends* Step 5: Switch on the Sun Lamp
Cheaper, more efficient materials can send solar soaring
