Wow. Don't listen to what Trigger just said as it is completely misleading. The only Plasmas that are getting banned are the HUGE 100" + Plasmas that only the rich can afford. But that's like Idling a Hummer 24/7 anyway.
http://greeninc.blogs.nytimes.com/20...er=rss&emc=rss
True, Plasma televisions use about 2-4x as much electricity as an LCD TV.
BUT don't forget that Plasmas use roughly one half to one third the power that old CRT televisions use. The problem, though, is that people compare 32" CRTs to 50" Plasma. Not a fair comparison. Plasmas are suffering the same attack as HDDVD did. Namely the Sony hype machine is killing sales. LCDs have a lot of power words behind them - mostly 120Hz and other similar features. But the truth is that comparing a Plasma to an LCD is like comparing a Ferrari to a Porsche. Sure, both of them get you from A to B and look good doing it, but the Ferrari will outperform the Porsche no problems.
It's the same thing with Plasmas and LCD TVs. Go put on something in Blu Ray like Batman Begins, where you have a lot of shadow, and Plasmas will blow you away.
Anyway, here's some links regarding energy consumption in Plasmas:
http://reviews.cnet.com/4520-6475_7-6400401-3.html