How green is your dry cleaner?

One easy way to check is to ask if they use PERC or not.

A number of professional and consumer products were on display, like these CFincandescent bulbs.

GE's Lighting Revolution truck was camped out at the Omni Hotel at Eldridge andI-10, in the heart of Houston’s bustling Energy Corridor.

Power meters were placed strategically throughout the facility so that visitorscould monitor the efficiency of the new equipment.

Rick Ehrlich keeps about 8-12 electric cars on the lot of his EaDo dealership.Houston Electric Cars has both highway ready and non highway ready vehicles, newand used.

The interior of Rick's Zenn, which estimates costs him about two cents per miledrive.

A summer electricity bill for Houston Electric Cars. "It costs less than fortycents per night to charge one car," Rick explained.