I need to know examples of clean technology equipments?

President Bush Demonstrates Commitment to Development of Hydrogen Fuel
http://www.gm.com/company/gmability/adv_...

On the Road, Hope for a Zero-Pollution Car - Bush Hydrogen plan in full swing
Auto makers debut hydrogen-powered vehicles, some already doing commuter and freight hauling work
http://www.nytimes.com/2007/04/29/automo...

Nuclear power reactors.

your own hands and feet! :)