The resulting price tag is about $5 billion in annual electricity costs, said Mills, who conducted and published the research independently from the Berkeley lab. The resulting contribution to greenhouse gas emissions equals about 3 million cars on the road, he said.
Links
[1] http://www.nytimes.com/gwire/2011/04/11/11greenwire-study-pot-growers-inhale-1-of-us-electricity-e-62219.html
[2] http://www.rethinkpot.org/tags/water
[3] http://www.rethinkpot.org/tags/electricity
[4] http://www.rethinkpot.org/tags/growers