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(Click for frequent words.) 75 internal combustion engine 72 internal combustion 66 combustion engines 65 combustion engine 62 conventional internal combustion 62 Internal combustion engines 59 hybrid powertrains 59 diesel engines 58 ICEs 58 hybrid drivetrains 57 spark ignition 57 turbocharged engines 56 bio diesels 56 diesels 56 Hydrogen Internal Combustion 56 combustors 55 hydrogen combustion engine 55 diesel engine 55 Exhaust Gas Recirculation 54 fossil fuels 54 electric motors 54 combustion 54 turbocharging 54 normally aspirated engines 54 alternative fuels 54 HCCI engines 53 compression ignition 53 electric propulsion 53 hybrids diesels 53 HCCI engine 53 burning gaseous fuels 53 external combustion engines 52 electric drivetrain 52 electric drivetrains 52 NGVs 52 petrodiesel 52 electric powertrain 52 hydrogen 52 cellulosic materials 52 diesel powered 52 hydrogen fuel 52 nonpolluting 51 oxyhydrogen 51 gaseous fuels 51 rotary engine 51 particle filters 51 PHEVs 51 CVTs 51 hybrid electric 51 electrically driven 51 reciprocating piston 51 Turbocharging 51 E# biofuel 51 diesel powertrains 51 cleaner quieter 51 powerplants 51 naturally aspirated engines 51 diesel aftertreatment 51 urea injection 51 drivetrains 51 conventional combustion engine 51 cleaner fuels 51 DPFs 51 combustion engined 50 unmodified diesel 50 Tailpipe emissions 50 conventional combustion engines 50 diesel 50 electrolysers 50 hybrids plug ins 50 Toyota RAV4 EV 50 compressed hydrogen 50 hydrocarbon fuels 50 hydrogen powered 50 li ion batteries 50 Direct Injection Spark Ignition 50 exhaust emissions 50 electric motor 50 HDi diesel engine 50 charge compression ignition 49 hybrid driveline 49 biodiesels 49 methanol ethanol 49 ethanol butanol 49 electric powertrains 49 PEM fuel 49 finite fossil fuels 49 hybrid powertrain 49 REEV 49 cleaner burning 49 superchargers 49 RenDiesel 49 electric hybrid powertrain 49 carbureted 49 glorified golf carts 49 Propane autogas 49 ethanol methanol 49 powertrains 49 Haber Bosch process 49 hydrogen internal combustion 49 Flexible Fuel 49 exhaust emission 49 capillary arrays 49 cam phasing 49 ultracapacitors 49 thermoelectric materials 49 diesel particulate filters DPFs 48 piston engine 48 hybrid drivetrain 48 electrically powered 48 NiMH nickel 48 Lithium ion 48 regen braking 48 particulate filters 48 thermochemical processing 48 microturbine 48 HID lighting 48 harmful tailpipe emissions 48 cooled EGR 48 cityZENN 48 battery chemistries 48 #LL [001] 48 nitrogen oxide NOx emissions 48 zero tailpipe emissions 48 diesel powerplants 48 pneumatic valves 48 V6 engines 48 Bio DME 48 Remy HVH electric 48 reduce NOx emissions 48 SCR Selective Catalytic Reduction 48 E# flex 48 B# biodiesel [002] 48 carburetors 48 hybrids electrics 48 aftertreatment 48 internal combustion engined 48 E# Ethanol 48 twin turbocharged engine 48 hybrid propulsion 48 nitro methane 48 fossil fuel 48 manual gearboxes 48 DiesOtto 48 oxidation catalyst 48 hybrids 48 hydrogen rotary 48 flexfuel 48 nickel hydride batteries 48 HCCI combustion 48 renewable feedstocks 47 evaporative emissions 47 B5 biodiesel 47 Lithium ion batteries 47 carbureted engines 47 HEVs 47 Direct FuelCells 47 Voltec 47 exhaust aftertreatment 47 thermal oxidizers 47 NiMH batteries 47 UQM ® 47 compression ignition engines 47 Oscillating Piston Engine 47 smog forming pollutants 47 propulsion 47 Selective Catalytic Reduction SCR 47 SOFCs 47 clutch transmissions 47 Hybrids 47 MixAlco 47 dimethyl ether DME 47 Selective catalytic 47 Lithium Polymer batteries 47 gasified coal 47 induction motors 47 Gas Recirculation EGR 47 motors 47 synthetic lubricants 47 Flexible Fuel Vehicles 47 Powertrains 47 UQM PowerPhase 47 Volkswagen TDI 47 polluting fossil fuels 47 Focus FCV 47 turbo chargers 47 BlueTec 47 low NOx burners 47 MaxxForce ® 47 Bluetec diesel 47 biodiesel fuels 47 torque outputs 47 bioethanol E# 47 Diesel Particulate Filters 47 metal hydride 47 octane enhancer 47 Engines HICE 47 automobiles 47 nitrogen oxides NOx emissions 47 Audi TDI 47 lithium ion 46 Internal Combustion Engines 46 Remy HVH 46 biocatalytic process 46 SOFC 46 CVT transmissions 46 fuel injectors 46 ultra capacitors 46 AFS Trinity 46 reciprocating engines 46 liquid fuels 46 MultiJet II 46 fuel efficent 46 engines 46 V6 turbodiesel 46 gasohol 46 fuels 46 biomass combustion 46 #.# liter Duratorq 46 reciprocating engine 46 why iron rusts 46 fuel injector 46 electric hybrid 46 turbo diesel engine 46 electrically powered vehicles 46 kilowatt microturbine 46 LEVs 46 Soy candles 46 HID lamps 46 Fischer Tropsch process 46 EESU 46 Gasoline Direct Injection 46 cylinder deactivation 46 lithium titanate batteries 46 sodium metal halide 46 FCVs 46 naturally aspirated V8 46 batteries ultracapacitors 46 smokestack scrubbers 46 super capacitors 46 air conditioning compressors 46 Ecotec engines 46 acid batteries 46 Scuderi Engine 46 particulate filter 46 microturbines 46 biogas 46 nickel metal hydride 46 thermochemical processes 46 TDCi diesel 46 RenDiesel ® 46 SKYACTIV G 46 Lithium Ion batteries 46 #.#L turbo 46 Flexifuel 46 D#g#tal Dr1ve 46 catalytic converters 46 Saab BioPower 46 liter diesels 46 Incandescent bulbs 46 polymer electrolyte membrane 46 V8 engines 46 stoichiometric 46 turbodiesel engines 46 syngas 46 XenTx 46 filament bulbs 46 discrete transistors 46 tailpipe emissions 46 torque multiplication 46 Fossil fuels 45 renewably generated 45 carburetion 45 JP8 45 Homogeneous Charge Compression Ignition 45 thermoelectrics 45 Voltec electric 45 Hythane R 45 NOx reduction 45 ECUs 45 particulate emission 45 reformed methanol 45 Voltec propulsion system 45 NiMH 45 four cylinder Ecotec 45 proton exchange 45 turbocharger 45 opoc ® 45 turbochargers 45 petro diesel 45 Fluorescent bulbs 45 naturally aspirated engine 45 EREV 45 Bluetec 45 powertrain 45 intercooling 45 particulate matter emitted 45 Escape Hybrid E# 45 electrolyser 45 diesel particulate filter DPF 45 oxidation catalysts 45 Axial Flux 45 iso octane 45 variable geometry turbocharger 45 speed automatics 45 petrol engined cars 45 propane autogas 45 XH TM 45 tankless heaters 45 MPGs 45 magnetic bearings 45 deisel 45 PHEV 45 narcissism Twenge 45 PZEVs 45 alternative energies 45 compressed natural 45 biofuel blends 45 SteamRay 45 sulfur fuels 45 bio fuels 45 Rudolf Diesel 45 proprietary patented elos 45 HFC #a 45 ethanols 45 Fischer Tropsch FT 45 octane booster 45 poppet valves 45 RENESIS 45 FFVs 45 synthetic liquid hydrocarbons 45 GDi 45 Hybrid Synergy Drive 45 EGR valves 45 BluePerformance 45 Compressed natural 45 thermoelectric 45 electrolyzers 45 Biomass gasification 45 diesel particulate filter 45 variable geometry turbochargers 45 automaker MultiAir 45 econoboxes 45 bio ethanol 45 Zeroshift 45 regenerative brake 45 #.# liter V8s 45 particulate emissions 45 Permanent Magnet Synchronous 45 nitrogen oxide NOx 45 BMW ActiveHybrid X6 45 EcoBoost engines 45 Hybrid Vehicle 45 thermal oxidation 45 AuraGen 45 powerpacks 45 transform CO2 emitted 45 Focus ECOnetic 45 V6s 45 variable valve 45 Rotapower engine 45 Ultracapacitors 45 biodiesel 45 biobutanol 45 Lithium Ion 45 conventionally powered 45 Fiat MultiAir 44 polymer electrolyte fuel 44 renewable fuels 44 drivetrain components 44 environmentally friendly refrigerants 44 propulsion systems 44 cooled Exhaust 44 liquefied hydrogen 44 #.#litre engine 44 Heat exchangers 44 diesel oxidation catalysts 44 SCR aftertreatment 44 diesel particulate filters 44 NOxOUT CASCADE R 44 R#a 44 Variable Geometry 44 unburned hydrocarbons 44 Borroni Bird 44 Hythane 44 mercury vapor lights 44 Dodge ZEO 44 manual transmissions 44 zero emission 44 hydraulic hybrid 44 Ford Fiesta ECOnetic 44 #.# liter Ecotec 44 converter topologies 44 Vehicles HEVs 44 Fischer Tropsch fuels 44 catalytic combustion 44 turbocharged V8 44 #kW electric 44 TSX WPT 44 particulate matter emissions 44 cng 44 Internal Combustion Engine 44 Clogged filters 44 PowerVerde 44 Spark plugs 44 balancer shaft 44 zero tailpipe emission 44 #.#L Duratec 44 Autogas 44 intake camshaft 44 lithium rechargeable batteries 44 RenDiesel fuel 44 DCGT 44 biogases 44 CSRV 44 HCNG 44 PGM FI 44 permanent magnet synchronous 44 EthosFR + 44 Li ion 44 biodiesel B# 44 magnetic ballasts 44 pushrod V 8 44 Advanced EGR 44 Li ion batteries 44 turbocharged diesel 44 Honda Civic GX 44 biomass fuels 44 Symetron TM 44 CNG Compressed Natural Gas 44 SNALP encapsulates siRNAs 44 liter V# engines 44 multifuel 44 O2Diesel ™ 44 electrolyzer 44 cylinder turbocharged 44 TDI diesels 44 gasifying coal 44 nitrous oxides 44 IGCC plants 44 TSX VENTURE ZNN 44 Hydrogen 44 Selective Catalytic Reduction 44 normally aspirated 44 Li Ion batteries 44 Mark# ACS TM 44 turbo diesel engines 44 hypermiling techniques 44 XenTx TM 44 ZAP Xebra 44 synthetic fuels 44 automatic gearboxes 44 #g CO2/km [001] 44 Diesel Particulate Filter DPF 44 Advanced Refining Concepts 44 Vehicles PHEVs 44 monopropellant 44 turbos 44 battery powered 44 quadricycles 44 lithium ion batteries 44 EVs 44 crankcase ventilation 44 methanol 44 turbocharged petrol 44 Saturn Vue plug 44 Caterpillar C# 44 selective catalytic reduction 44 NOx 44 turbocharged engine 44 electrically propelled 44 rotary motors 44 harmful byproducts 44 Variable Cylinder Management 44 Aftertreatment 44 Pulstar TM 44 lithium phosphate batteries 43 Continuously Variable Transmission CVT 43 #.#l V6 43 forest thinnings 43 Symetron 43 Vehicles FFVs 43 Ford EcoBoost 43 Fischer Tropsch 43 dual VVT 43 bio diesel fuels 43 EGR cooler 43 acid hydrolysis 43 electrics 43 combustion modification 43 BlueTec diesel technology 43 Saphion technology 43 kW/# hp [002] 43 Rankine cycle 43 condensing boilers 43 electric hybrids 43 nuclear fission reactors 43 biomethane 43 clutch facings 43 Valvematic 43 Lotus Range Extender 43 pollutant emissions 43 BMW Concept ActiveE 43 dynamometers 43 BlueTEC diesel 43 Fiber lasers 43 sulfur diesel fuel 43 stroke outboard engines 43 American Jianye 43 DeNOx 43 supercharged #.#L 43 scramjets 43 BEVs 43 drivetrain 43 turbine engines 43 naturally aspirated V# 43 HDi diesel engines 43 chrome plated trim 43 emit fumes 43 sub #g/km CO2 43 propane AutoGas 43 screw compressors 43 HC LNC 43 E# ethanol 43 cleanest fossil 43 thermoelectric generators 43 Ford Focus ECOnetic 43 Ecoboost engine 43 transverse mounted 43 Hemi engine 43 powered lawn mowers 43 BMW Efficient Dynamics 43 cells DMFCs 43 VALVETRONIC 43 particulate traps 43 Sulfur compounds 43 turbojets 43 Subaru R1e 43 NOx emissions 43 Hypermiling 43 petrol engined 43 petrols 43 HFO #yf 43 biofuel 43 liter V#s 43 Incandescent lamps 43 electric 43 absorption chillers 43 NmG 43 environmentally benign 43 Polo BlueMotion 43 cleanest burning 43 Coates CSRV 43 fuel cells DMFCs 43 gas guzzlers 43 rail turbodiesel 43 thermochemical conversion 43 Multiair 43 NiMH battery 43 photosynthetic microorganisms 43 V 8s 43 axial flux 43 Audi R# 43 gas recirculation 43 Neste Oil NExBTL renewable 43 unburnt fuel 43 E# blends 43 V8 twin turbo 43 n butanol 43 liter Turbo Diesel 43 Fosgard 43 intercooled engine 43 diesel engined 43 MaxxForce engines 43 steam boilers 43 CO -2 emissions 43 stroke outboards 43 PEMFCs 43 High Precision Injection 43 alternatively fueled 43 V 6s 43 ECD Ovonics 43 Smart Regenerative Charging 43 gearshift indicator 43 Mercedes Benz BlueTEC 43 liter turbodiesel engine 43 emit carbon monoxide 43 NVH characteristics 43 octane leaded 43 Carbon dioxide emissions 43 General Motors EV1 43 NiCd 43 nickel hydride 43 8 Hydrogen RE 43 MZR CD 43 rotary vane 43 autogas 43 ethanol bio diesel 43 oxyfuel combustion 43 speed automatic transmissions 43 lithium ion phosphate 43 nitrogen oxides NOx 43 perfluorocarbons 43 tungsten filament 43 electrochemical 43 hydrofluorocarbon HFC 43 biogasoline 43 kilns mills 43 Ionic liquids 43 ultracaps 43 butanol 43 turbodiesels 43 Saturn Vue hybrid 43 twin turbochargers 43 FCX Concept 43 BMW Valvetronic 43 hydrofluorocarbons HFCs 43 Honda VTEC 43 Kerosene heaters 43 gas swilling Hummers 43 renewably 43 Remy electric motors 43 Sugarcane ethanol 43 fluorescent ballasts 43 Induction cooktops 43 liter V6 engine 43 V6 diesel 43 Great Lakes steamships 43 hydrocarbons nitrogen oxides 43 Rentech Fischer Tropsch 43 turbo expanders 43 atomization 43 rotor rotary 43 PowerShift transmission 43 NOx aftertreatment 43 HEV 43 ac induction 43 vehicles PEVs 42 cellulose ethanol 42 turbodiesel engine 42 automatic transmissions 42 optimized biocatalysts 42 mode hybrid powertrain 42 Hydra matic 42 cylinder engines 42 hydrocarbon refrigerants 42 NOx SOx 42 ECOnetic 42 ultralow sulfur 42 propane Autogas 42 thermoelectric converters 42 hybrid PHEV 42 LPG CNG 42 A1 e tron 42 Rentech synthetic 42 Coal gasification 42 naturally aspirated 42 Fiat Powertrain Technologies 42 Audi e tron 42 NOX emissions 42 VW TDI 42 gasifier 42 dry sump 42 Passat TDI 42 biofuels 42 centrifugal compressor 42 TFSI engine 42 vehicles HEVs 42 biodiesel blends 42 linear motors 42 Fiat Multiair 42 cellulostic ethanol 42 NYSE Amex UQM 42 UltraBattery 42 Fiesta ECOnetic 42 efficient powertrains 42 batteries supercapacitors 42 Direct Injection 42 nonroad engines 42 Escalade Hybrid 42 HCCI mode 42 D7E 42 AC Induction 42 OWBs 42 MaxxForce ® brand 42 DOHC V6 42 gasifies coal 42 multitronic continuously variable 42 reduction SCR 42 electrics hybrids 42 convert cellulosic biomass 42 DOHC V8 42 EcoBoost engine 42 Roadster accelerates faster 42 Rooftop solar panels 42 X5 xDrive#d 42 coal petroleum coke 42 Econetic 42 bio diesel 42 BioPower 42 Thermoelectric 42 hydraulic steering 42 turbodiesel 42 TSI EcoFuel 42 AdBlue injection 42 Hydrogen Fuel Cell 42 V8 powerplant 42 bi turbo 42 carburettors 42 E# bioethanol 42 Direct Methanol Fuel Cells 42 drivelines 42 #mpg [001] 42 cylinder turbocharged petrol 42 diesel particulate filters DPF 42 reel mowers 42 #,# liter V# 42 dual overhead camshaft 42 diesel engined cars 42 brushless motor 42 refrigeration compressor 42 Diesels 42 Ford Focus BEV 42 cellulosic E# 42 quantum dot lasers 42 #.#L Ecotec 42 tailpipe exhaust 42 biocatalysts 42 Vehicle PHEV 42 liter TDI engine 42 double overhead camshaft 42 Ultra Low Emissions 42 tailpipe emission 42 EV HEV 42 thermo chemical 42 Valvetronic 42 nonfossil fuel 42 ML# Hybrid 42 Econic 42 carbureted engine 42 turbo diesel 42 pure electrics 42 BMW ALPINA 42 automatics 42 liquefying coal 42 flex fuel 42 compressed gaseous hydrogen 42 exhaust gasses 42 metal hydride batteries 42 #.# liter TDI 42 thermoelectric cooling 42 HDi diesel 42 wood boilers 42 FreedomCAR 42 dimethyl ether 42 V8 engine 42 H2GO TM 42 V# engines [001] 42 kW/# 42 powered mowers 42 petrol V6 42 HEV batteries 42 activated carbons 42 Isobutanol 42 Ecotec engine 42 ignition coils 42 cc displacement 42 SVT Focus 42 hybrids PHEVs 42 powerplant 42 Range e 42 R #A refrigerant 42 Remy HVH# 42 transaxles 42 flexfuel vehicles 42 Extreme Hybrid 42 twin turbo diesel 42 turbo diesels 42 FlexiFuel 42 denaturant 42 Clothes dryers 42 supercapacitors 42 electromagnetic motors 42 Ethos FR 42 lignocellulosic biomass 42 Heliocentris 42 Dumesic 42 membrane electrode assemblies MEAs 42 Soy biodiesel 42 HEMI engine 42 stringent emission 42 Carbon monoxide byproduct 42 Cummins Particulate Filter 42 lithium polymer batteries 42 coal gasification 42 fossile fuels 42 Amerigon Climate 42 Lithium ion battery 42 #v outlet 42 catalytic convertor 42 catalytic converter 42 Cummins Emission Solutions 42 ZPE 42 diesel particulates 42 conventional torque converter 42 Megacity Vehicle 42 ECU remap 42 propane stoves 42 renewably sourced materials 42 H2ICE 42 Bioethanol 42 NOx emission 42 Tiptronic S automatic 42 NuVinci CVP 42 ethanol blends 42 automated manual transmission 42 Fritz Prinz 42 turbocharged V6 42 rechargeable lithium ion batteries 42 turbofan engine 42 ramjet scramjet 42 intermittent wipers 42 Codexis develops 42 Cleaire 42 torque vectoring 42 BMW X6 ActiveHybrid 42 #yf 42 amine scrubbing 42 vehicles EVs 42 spark plugs pistons 42 spokesman Dave Barthmuss 42 CNG LPG 42 Gerhard Schmidt 42 hydrocarbons HC 42 pyrolytic 42 Citaro Hybrid 42 DSG transmissions 42 NT Plasmatron 42 reduces NOx emissions 42 piston engines 42 liter TFSI 42 nano titanate 42 V6 petrol 42 RACE START 42 Equinox Fuel Cell 42 Transonic Combustion 42 Capstone microturbine 42 V8 turbocharged 42 liquid electrolytes 42 buckypaper composites 42 #kw electric 42 Hydrogen Fuel Fuel 42 hybrid electrics 42 A2iA recognition 42 manual gearbox 42 liquefied coal 42 EGR valve 42 manmade greenhouse gas 42 liter Multijet 42 powered forklifts 42 variable cam phasing 41 Minn Kota ® 41 Duratec V 6 41 chlorofluorocarbon CFC 41 vehicles AFVs 41 HFC refrigerants 41 turbojet engines 41 membrane PEM 41 sugar cane bagasse 41 HVH# 41 combustion byproducts 41 DCTs 41 engine displacements 41 EcoMotors 41 gaseous emissions 41 Rear wheel 41 carbon emitting 41 Wuxi Angell 41 flux vector 41 normally aspirated engine 41 HS #h sedan 41 Freightliner Custom Chassis 41 aerodynamic aids 41 hydraulic fluids 41 regenerative brakes 41 NEMA Premium 41 High Intensity Discharge 41 backpack sprayers 41 Ethanol blended 41 Simo Motor 41 Unicam 41 pistons 41 petrol powerplant 41 pushrod V8 41 exhaust aftertreatment systems 41 variable camshaft timing 41 longitudinally mounted 41 gas guzzling SUVs 41 ion batteries 41 CFBs 41 Transit Connect BEV 41 Audi A1 e tron 41 piezoelectricity 41 Emissions Vehicle 41 compact Chevrolet Cruze 41 lithium batteries 41 NiCad 41 Hydrogen Fuel Fuel Cells 41 petrol guzzling 41 Lexus LS#h 41 Lithium polymer 41 halogen bulbs 41 Variable Geometry Turbocharger 41 Regenerative braking 41 Wankel engine 41 Tiguan HyMotion 41 catalytic muffler 41 UQM Technologies Inc. 41 C MAX Energi 41 Compact fluorescents 41 variable geometry turbo 41 hydrides 41 fuel 41 Ford Taurus sedans 41 ActiveHybrid X6 41 HID bulbs 41 Efficient Dynamics 41 electrochemical reaction 41 Multidrive S 41 Golf Bluemotion 41 Hyundai Sonata #.#T 41 Cayenne Diesel 41 recycle CO2 emitted 41 direct injection turbocharging 41 multijunction cells 41 Ford ECOnetic 41 Technological breakthroughs 41 Ti VCT 41 biofuels cellulosic ethanol 41 electrolyzed water 41 Cellulosic ethanol 41 cylinder powerplants 41 smoother quieter 41 ramjets 41 Halogen bulbs 41 #v MultiJet 41 dye sensitized cells 41 Saphion 41 polymer electrolyte membrane PEM 41 SCR catalytic converter 41 Particulate Reactor TM 41 wire mesh filter 41 hybird 41 liter JTD 41 Integrated Gasification Combined Cycle 41 BMW EfficientDynamics 41 gasifiers 41 Renewable fuels 41 Honda FCX 41 hydrogen combustion engines 41 TDI #bhp 41 Porsche Cayenne Hybrid 41 Nafion 41 GHGs 41 ZEVs 41 twin turbo engine 41 siloxanes 41 Direct FuelCell DFC 41 PEVs 41 Volt powertrain 41 SelectShift 41 graphite foam 41 edible feedstocks 41 #.#L TSI 41 cellulostic 41 purely electrically powered 41 liter dCi diesel 41 Hydrogen RE 41 APG dual 41 Enerpulse 41 Sal Scuderi 41 Fluorescent lamps 41 fission reactors 41 hydraulic motors 41 photocatalysts 41 e HDi 41 feebates 41 TDIs 41 Duramax engine 41 GenSet 41 #.#L #.#L 41 swappable batteries 41 mimics photosynthesis 41 valve actuation 41 electrolyze 41 Thermoelectrics 41 motorcars 41 patented Direct FuelCell 41 Technological innovations