Related by context. Frequent words. (Click for all words.) 70 PHEVs 68 EVs 65 PHEV 61 HEVs 56 EV charging 55 Electric Vehicle 54 hybrid electric 53 smart grid 52 smart metering 52 Nissan LEAF 52 Smart Grid 51 Volt 50 electric 50 recharging stations 50 smart grids 50 Nissan Leaf 50 zero emission 49 Coulomb 49 Chevy Volt 49 EV 49 Smart Meters 49 Chevrolet Volt 48 Transit Connect Electric 48 hybrids 48 ultracapacitors 48 Electric Vehicles 48 lithium ion batteries 48 Li ion batteries 47 solar PV 46 hydrogen powered 46 Coulomb Technologies 46 Better Place 46 electrification 46 Hybrid Electric 45 Ampera 45 smart fortwo 45 grid parity 45 renewable energy 45 hydrogen fuel 45 Camry Hybrid 44 Volts 44 EPRI 44 rooftop solar 44 flex fuel 44 electric powertrain 44 electric propulsion 44 HEV 44 Smart Meter 44 telematics 43 Chevrolet Volt plug 43 i MiEV 43 alternative fuels 43 cleaner fuels 43 lithium ion battery 42 electrically powered 42 Escape Hybrid 42 hybrid 42 Car Charging 42 hybrid Prius 42 Zipcar 42 Li ion battery 42 advanced metering 42 biofuels 42 E# ethanol 42 Tesla Roadster 41 renewables 41 microgeneration 41 Chevrolet Volt electric 41 supercapacitors 41 diesels 41 Solar PV 41 internal combustion engines 41 Compressed Natural Gas 41 reduce carbon emissions 41 Demand Response 41 Fuel Cells 41 solar photovoltaics 41 LED backlights 40 CPV 40 hybrid powertrain 40 photovoltaics 40 solar photovoltaic 40 Fuel Cell 40 solar 40 ZigBee Smart Energy 40 Renault Nissan Alliance 40 infotainment systems 40 photovoltaic 40 nonpolluting 40 nickel metal hydride 40 eCall 40 LED lamps 40 hydrogen fueling 40 combustion engine 40 emission reduction 40 Hybrids 40 renewable energies 39 renewable fuels 39 diesel powered 39 Azure Dynamics 39 Fisker Karma