Business Green: The US President’s Council of Advisors on Science and Technology (PCAST) has challenged government predictions of US electricity consumption, arguing that they could be badly underestimated. PCAST has released an update to its 2006 report, The Energy Imperative: Technology and the Role of Emerging Companies, which questions the Energy Information Administration’s (EIA) projections for US energy usage. The updated report argues that an expected increase in the use of plug in …