Page - XVIII - in Water, Energy, and Environment - A Primer

D(2H) deuterium dc direct current DOD Department ofDefense DOE Department ofEnergy DVD digital optical disc storage device EC electrochromic ED electrodialysis EDR electrodialysis reversal EGS enhancedgeothermal system EIA Energy InformationAdministration EISA Energy Independence andSecurity Act (2007) EPA Environmental ProtectionAgency EPCA EnergyPolicy andConservationAct EU EuropeanUnion EVs electric vehicles GDP gross domestic product GHP ground source heat pump g gram GPS global positioning system GW gigawatts H (1H) hydrogen H2O water HCPV high-concentration photovoltaics He helium Hg mercury HTF heat transfer fluid HTGR high-temperature gas reactor IAC InterActionCouncil IDA InternationalDesalination Association IEA InternationalEnergyAgency IPCC International Panel onClimate Change ITER InternationalThermonuclear ExperimentalReactor LCOE levelized cost of energy Water,Energy,andEnvironment–APrimerxviii