work, and then once we show the work book, once we show them that this works, then we'll see that people start buying into mechanical insulation in the maintenance sector. >> in 2008, the big discussion and debate was about health care. following elections, it was all about the economy. now the next big discussion is about climate change as it relates to energy. >> i've been in iowa, and i've done a lot of work on wind. i've been in other states doing work on solar. is that what you're talking about? you really need to have some tax incentives to get people moving in this direction? >> exactly. >> because those have worked. >> they have worked. the other one that's work side the curly q light bulb. everybody's buying new light bulbs. takes nine years to pay for the light bulb. the average steam valve pays for itself in three to six months. >> they're taking a