answer:Businesses are making a concerted effort to save energy. It makes good business sense, because of costs. As to how, here is one utility’s resource list. There are many others on the Web if you goggle businesses saving energy. Hotels have made a major green push. For one reason, travelers are asking for it. One of the biggest energy-saving measures they use is getting people to participate in not having their linens and towels changed every day. Here is Hilton Hotels’, a major chain, environmental page that lists what they are doing. It is the same with manufacturers. Here is a government tip sheet on how they can save energy. Here is just one story on some companies and how they are doing it, like Marvin and Andersen windows plants fueling their boilers with waste sawdust from the factory floor, and there are several other recycling stories in that one news article alone. As to regulation, that is really one of the main impetuses for business to do their own conservation. They very much want to stave off government regulation.