He said no such thing in a commercial, but he is for more "greener" and cheaper energy, such as nuclear (not wind or solar which he said elsewhere will not be cheap or generate more than a tiny fraction of all electricity needs) and categorically said that US companies use "cleanest possible" methods of extracting oil, gas and coal "compared, for instance, with Chinese drilling for oil 50 miles from Florida, where environmentalist regulations prevent us from drilling".
It really pays to hear firsthand what the man himself says, rather than rely on what is said about him secondhand, by other people - some with agenda, some due to hearsay, some due to misunderstanding of what he is saying or trying to do:
http://www.freerepublic.com/focus/news/2015453/posts?page=23#23
http://www.freerepublic.com/focus/news/2015453/posts?page=24#24