Page 4 - Save Power News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: new york's mayor is asking the residents to turn the thermostat up to 78 degrees to help save power. here in philly we are looking at a top heat index of 104. that number could grow to 113 over the weekend. and again, we just learned in new york city, several subway lines have been shut down. we don't know if that is heat related. but, david, of course, there are major concerns over infrastructure. >> thank you. you heard gio mention the real concern in new york after the black out days ago. warning on the strain and the power grids. well, in madison, wisconsin tonight, look at th...

And the reason was they didn't want anybody to know where they were. >> i'm going to show ignorance. could there be any other reason for doing so eater to save power, because of an emergency, or you wanted to keep it simple because anything else was testing the system. i'm just throwing darts here. >> i don't think so. i don't really think so. it's a very sophisticated airplane. with lot of redundant systems. you have to think about that. it's done for you automatically by that masterful computer they have. to me there's a reason for turning those things off and the reason is they didn't want ...