There is Space Air's environmental control system that keeps household air fresh and at the right temperature.

BBC: Home of the future mock-up

Having no movement whatsoever I control an environmental system (called "Possum") solely by whistling into a microphone.

CNN: 'I lived in an iron lung for seven years'

Mr. KEVIN NEWMAN (Control System Engineer, Environmental Protection Agency): We're driving on stored energy now.

NPR: UPS to Test Hybrid Vehicle in Detroit