Table 1.1: Data from EIA showing historical energy consumption and GHG emissions by sector. The fundamental factors driving such consumptions are shown below, adapter from [MIT, 2008]. GHGemissions=LPK⇤VKT⇤FI Where, GHGemissions=GreenhouseGasEmissions(tons/year) LPK=LitersperKilometer(L/100km) VKT=Vehicle Kilometers Traveled (VKT in km/year) FI=GHGintensity of Fuel (GHG tons/liter of fuel) 16