(1)  Battelle, Kintner-Meyer   Stanford Conference, November 2007

These charts provide some useful data relating to power plant operations.  However, it is somewhat conjectural regarding how power plants operate.

(2)  EPRI, Environmental Assesment of Plug-In Hybrids

This reference (page 7) shows that  plug-in operations will degrade rather than improve greenhouse gas emissions in 2010.

(3) Annual Energy Outlook 2007

This reference (see Fig. 92) shows the magnitude of the emissions problems relating it to sectors of the US economy.

(4) Transportation Modes and Emissions

This reference (see Fig. 3-2, p8) shows the breakdown for different transportation modes.