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(Click for frequent words.) 70 sulfur diesel 68 sulfur diesel fuel 62 Ultra Low Sulfur Diesel 62 cleaner fuels 61 low sulfur diesel 60 diesel 59 SOx emissions 59 nitrogen oxide burners 59 sulfur distillate 58 diesel engines 58 rank coals 56 cleaner burning 56 nitrogen oxide NOx emissions 56 sulfur 56 NOX emissions 56 LSFO 55 petrodiesel 55 exhaust emission 55 NOx emission 55 SECAs 55 drayage trucks 55 nitrogen oxides NOx emissions 55 exhaust emissions 55 ULSD 55 particulate filters 55 particulate emission 54 #LL [001] 54 emission 54 reduce NOx emissions 54 ethanol blends 54 diesels 53 sulfur crudes 53 ultralow sulfur diesel 53 stringent emission 53 biofuel blends 53 HFC refrigerants 53 NOx emissions 53 Nitrogen Oxide NOx 53 hydrocrackers 53 O2Diesel ™ 52 Tailpipe emissions 52 particulate emissions 52 sulfur coals 52 nitrogen oxide emission 52 sulfur oxide 52 biodiesel blends 52 single hull tankers 51 diesel fuel 51 NOx 51 B5 biodiesel 51 NOx combustion 51 pollutant emissions 51 Carbon Dioxide CO2 emissions 51 diesel particulate filters 51 CO2 emitting 51 cetane rating 51 particulate matter emissions 51 bio diesels 51 diesel particulate emissions 51 sulfer 51 emit pollutants 51 SULEV 51 marine gasoil MGO 51 ETBE 51 diesel particulates 51 Sulfur compounds 51 SCR aftertreatment 51 octane gasoline 51 Low sulfur diesel 50 MARPOL Annex VI 50 environmentally friendly refrigerants 50 combustors 50 O2Diesel TM 50 sulfur waxy residue 50 Amyris renewable 50 double hulled tankers 50 ULEV II 50 Bluetec diesel 50 nitrous oxides 50 Nitrogen Oxide 50 octane petrol 50 Ultra Low Emissions Vehicle 50 GHG abatement 50 Biobutanol 50 Premium unleaded 50 autogas 50 gasohol 50 SOx 50 Sulphur Emission Control 50 Pin Count 50 premium unleaded gasoline 50 urea injection 50 nonroad engines 49 carbon emitting 49 diesel engine 49 particle filters 49 Emission Vehicle SULEV 49 emmission 49 Selective Catalytic Reduction 49 Areas ECAs 49 heavy crudes 49 Emission Vehicle 49 emissions 49 greenhouse gases GHG 49 hydrotreaters 49 nitrogen oxides sulfur oxides 49 OWBs 49 GHG emitting 49 petrochemical feedstock 49 hydrochlorofluorocarbon 49 flow plumbing fixtures 49 Emissions Vehicle 49 alternative fuels 49 Emission Control 49 Compressed natural 49 particulate matter emitted 49 RenDiesel ® 49 nitrogen oxide NOX 49 NOx nitrogen oxide 49 NExBTL 49 Propane autogas 49 polluting fossil fuels 49 Fischer Tropsch fuels 49 octane enhancer 49 fossil fuels 49 smog forming nitrogen oxides 49 particulate soot 49 biodiesel fuels 49 R #A refrigerant 48 emission reduction 48 Cleaire 48 diesel particulate filters DPFs 48 CO ₂ emissions 48 Nitrogen Oxides 48 carbon dioxide CO2 emission 48 PRB coal 48 MACT standards 48 liquefied coal 48 HCFC refrigerants 48 E# gasohol 48 ozone depleting refrigerant 48 tailpipe CO2 emissions 48 Great Lakes steamships 48 sulfur dioxide nitrogen oxide 48 pyrolysis oils 48 conventional combustion engines 48 ultralow sulfur 48 co2 emissions 48 Particulate emissions 48 Avgas 48 Ultra Low Emission Vehicle 48 octane unleaded 48 biodiesels 48 Tier 4i 48 thermal oxidizers 48 CSNOx 48 diesel powerplants 48 Co2 emission 48 DPFs 48 sulfur oxide SOx 48 AB# mandates 48 aftertreatment systems 48 nitrous oxide NOx 48 halon 48 hydrofluorocarbon HFC 48 petcoke 48 B# biodiesel [001] 48 SCR catalytic converter 48 polluting 48 Selective Catalytic Reduction SCR 48 biodiesel B5 48 ULEV 48 carbon dioxides 48 B# biodiesel [002] 48 GDiesel ® 48 sooty particles 48 syncrude 48 Sulphur Diesel 47 leaded petrol 47 turbocharged engines 47 condensing boilers 47 octane 47 jatropha biodiesel 47 diesel powered 47 B5 blend 47 reformulated gasoline 47 evaporative emissions 47 particulate matter soot 47 VOC emissions 47 diesel particulate filters DPF 47 RON# [001] 47 ethylene glycols 47 SO2 emissions 47 nitrogen oxides NOx 47 B# biodiesel fuel 47 unleaded fuel 47 air pollutants emitted 47 hydrofluorocarbons HFCs 47 cleanest burning 47 MaxxForce engines 47 Diesel Exhaust Fluid DEF 47 ethanol blended 47 Diesel Emissions 47 sulfur dioxide SO2 emissions 47 harmful byproducts 47 SAE #W 47 GHG emission reduction 47 Ethanol blended 47 tailpipe emission 47 mercury sulfur dioxide 47 solventborne 47 pollutant emission 47 gasolines 47 particulate traps 47 Sugarcane ethanol 47 Particulate pollution 47 VOC volatile organic compounds 47 hydrocarbons carbon monoxide 47 rpm torque 47 HSFO 47 feedstocks 47 dirtier fuels 47 sulfur coal 47 Diesel Particulate Filters 47 ULEV II emissions 47 Volatile Organic Compound VOC 47 feedstock naphtha 47 ppm sulfur 47 Desalinated water 47 feebates 47 biodiesel 47 oxidation catalysts 47 emissions combustor 47 Bluetec diesel engine 47 #bar [002] 47 subbituminous coal 47 single hulled tankers 47 JP8 47 petrochemical feedstocks 46 GHG permitting 46 narcissism Twenge 46 VOC volatile 46 Sulfur Dioxide SO2 46 renewable fuels 46 fossil fuel 46 reduces NOx emissions 46 ethane feedstock 46 CO -2 emissions 46 global warming gasses 46 nitrogen oxides carbon monoxide 46 HFC #a 46 emission reductions 46 finite fossil fuels 46 IGCC plants 46 ECOnetic 46 CO ² emissions 46 pollutants emitted 46 emmissions 46 greenhouse gas emission 46 berthing facilities 46 GHG emission reductions 46 BtL 46 IEEE #.#af PoE 46 Compressed Natural Gas 46 Low Emissions Vehicle 46 paraffinic 46 tailpipe exhaust 46 emmisions 46 CO ₂ 46 additive MTBE 46 Jim Crouse Capstone 46 diesel particulate filter 46 smokestack scrubbers 46 avgas 46 cleaner quieter 46 flexfuel 46 Internal combustion engines 46 Ultra Low Emissions 46 harmful tailpipe emissions 46 R#a 46 units APUs 46 Incandescent lamps 46 yard hostlers 46 CO2 emission reduction 46 carbon emission 46 ozone depleting chemicals 46 VOC emission 46 linear fluorescent lamps 46 Global Warming Potential GWP 46 Euro5 46 Gas Recirculation EGR 46 hydrous ethanol 46 CO2 emission 46 Super Ultra Low 46 Corexit #A 46 GhG emissions 46 poppet valves 46 deplete ozone 46 #ppm diesel 46 cellulosic sugars 46 Low Carbon Fuel 46 SCR selective catalytic 46 Euro4 46 #g CO2/km [001] 46 Renewable Transport 46 nitrous oxide NOx emissions 45 Bt#.# liter 45 Westport HPDI 45 E# flex 45 soot particulates 45 #.#at 45 naphtha feedstock 45 Cummins ISX 45 CO -2 45 DeNOx 45 NExBTL renewable diesel 45 Pertamax 45 petro diesel 45 cst bunker fuel 45 fuel 45 RenDiesel 45 ppm sulfur gasoil 45 nitrous oxide emission 45 nonroad diesel 45 sodium methylate 45 TOP TIER Detergent Gasoline 45 Flexible Fuel Vehicles 45 emit CO2 45 NOx nitrogen oxides 45 pure ethyl eicosapentaenoic 45 mazut 45 Ford Focus ECOnetic 45 nitrogen oxide NOx 45 biofuel 45 Impact Hydropower 45 optical transceivers 45 HDi diesel engines 45 #.# liter Duratorq 45 emit #g/km 45 Leaded petrol 45 RO membranes 45 HCNG 45 low NOx burners 45 sulfur dioxide SOx 45 turbo diesel engines 45 renewable feedstocks 45 activated carbons 45 #yf 45 EGR engines 45 Dimethyl Ether DME 45 Polystyrene PS 45 smog forming chemicals 45 flexfuel vehicles 45 internal combustion engines 45 solvent inks 45 HEVs 45 Methyl tertiary butyl ether 45 sterndrives 45 Rolls Royce waterjets 45 SF6 45 Ecospec 45 NExBTL diesel 45 emit sulfur dioxide 45 NExBTL Renewable Diesel 45 compression ignition 45 Fine particulate 45 Technology MACT 45 centistoke cst bunker 45 smog forming 45 propane AutoGas 45 throughput genomics 45 SNALP encapsulates siRNAs 45 B# biodiesel blend 45 frequency harmonics 45 Flexible Fuel 45 carbon monoxide hydrocarbons 45 greenhouse gases GHGs 45 pollutive 45 tailpipe emissions 45 Co2 emissions 45 oceangoing ships 45 II ULEV II 45 TRUs 45 fine particulate pollution 45 inefficient incandescent bulbs 45 carbon monoxide nitrogen oxide 45 HCCI engine 45 Capstone microturbines 45 Bio SPK 45 diesel particulate filter DPF 45 nitrogen oxide emissions 45 Precision Direct Injection 45 basestocks 45 flame retardancy 45 viscosity liquids 45 hydrofluorocarbons HFCs perfluorocarbons PFCs 45 tractive effort 45 ethanols 45 TCA grading 45 environmentally benign 45 naturally aspirated engines 45 biofuels 45 AdBlue urea 45 NOx aftertreatment 45 blendstock 45 smog forming pollution 45 GHG reductions 45 #.# liter TDI 45 particulate filter 45 reformulated gasoline RFG 45 Nitrogen oxide emissions 45 LPG CNG 44 carbon dioxide emission 44 coco biodiesel 44 Diesel Particulate Filter DPF 44 nitrogen dioxide emissions 44 TxLED 44 Particulate Matter PM 44 XenTx TM 44 lignite coals 44 EEDI 44 House Gases GHGs 44 Partial Zero Emission Vehicle 44 high purity UHP 44 Methyl Tertiary Butyl Ether 44 sulfur gasoil 44 sulfur distillates 44 IEEE #.#az 44 emissons 44 SCAQMD 44 Exhaust Gas Recirculation 44 sulfur dioxide emission 44 smog forming compounds 44 liquefied hydrogen 44 #g/km CO2 emissions 44 heat trapping pollutants 44 Pertamax Plus 44 fluorinated chemicals 44 nitrogen oxide 44 unleaded gasoline 44 desalinating water 44 nitrogen NOx 44 Annex VI 44 gph 44 diesel particulate 44 #g/km CO2 [002] 44 sub-#g/km CO2 44 synthetic lubricants 44 city/# highway mpg 44 centrifugal compressor 44 ethyl tertiary butyl ether 44 particulate matter sulfur dioxide 44 butene 44 SCR Selective Catalytic Reduction 44 particulate matter PM 44 Compact Fluorescent Lamps CFLs 44 Bharat Stage 44 renewably 44 V6 engines 44 CNG LPG 44 stroke outboards 44 synthetic paraffinic kerosene 44 refrigerant leakage 44 airshed 44 heavy sour crudes 44 CFC refrigerants 44 GHG emitters 44 Carbon dioxide emission 44 IFO# 44 Standard LCFS 44 soot smog 44 R #a refrigerant 44 ethanol 44 fluorocarbons 44 feedstock 44 tertiary butyl ether 44 DRIVe 44 Emissions 44 propane autogas 44 conventional internal combustion 44 nonpolluting 44 Beluga SkySails 44 pollution 44 HCFC #b 44 Sulphur dioxide 44 sulfur oxides SOx 44 hydrocracking 44 greenhouse emission 44 Volatile Organic Compounds VOCs 44 E# CDI 44 sulphate particles 44 noxious pollutants 44 deisel 44 fine particulates 44 variable geometry turbocharger 44 flow showerheads 44 V# SelectOne TM 44 ASTM specifications 44 desalinized water 44 diesel powertrains 44 petroleum coke 44 nitrogen oxide sulfur dioxide 44 Ultra Low Sulphur 44 Jet A1 44 SmartWay certification 44 dimethyl ether 44 halogenated 44 hydroprocessing catalysts 44 Homogeneous Charge Compression Ignition 44 soot particles 44 hybrid drivetrains 44 RenJet 44 #g/km CO2 [001] 44 Emissions Vehicle SULEV 44 environmentally beneficial 44 Corexit dispersants 44 gasoline 44 sweet crudes 44 unburned hydrocarbons 44 carbondioxide emissions 44 nonrenewable fossil fuels 44 PZEVs 44 Ethos FR 44 cleanest internal combustion 44 LNG Liquefied Natural Gas 44 hydrochlorofluorocarbons 44 sulfur dioxide pollutant 44 octane leaded 44 Emissions Reduction Plan 44 Flexifuel 44 gaseous emissions 44 RenDiesel fuel 44 Biomethane 44 Ethanol Blends 44 diesel engined cars 44 diesel oxidation catalyst 44 gasoline blendstock 44 R#A refrigerant 44 sulphate aerosols 43 heavier crudes 43 sour crudes 43 converting cellulosic biomass 43 hydroconversion 43 ballast discharges 43 nitrous oxides NOx 43 VOC 43 diesel oxidation catalysts 43 carbon dioxide emissions 43 AT PZEV 43 Fuel Obligation 43 reformate 43 NOx SOx 43 Nitrogen Oxides NOx 43 Coleson Cove 43 torque multiplication 43 refrigerants 43 voltage coefficient 43 Neste Oil Porvoo refinery 43 brightness LEDs 43 refineries 43 bio fuels 43 GHGs 43 Fischer Tropsch process 43 carbon dioxide CO2 emissions 43 Duratorq TDCi diesel 43 ethanol butanol 43 conventionally powered 43 gaseous fuels 43 ozone particulate matter 43 Succinic Acid 43 cookstoves 43 Emissions Control 43 cetane 43 LEV II 43 hydrocracker 43 double hull tankers 43 Sulphur Dioxide 43 Volatile Organic Compound 43 octane unleaded gasoline 43 greenhouse gas GHG emission 43 Clean Fuels 43 VOCs 43 light sweet crudes 43 cellulosic fuels 43 hydrogen combustion engine 43 voltage differential 43 isobutylene 43 lubricating oils 43 propane Autogas 43 smog forming pollutants 43 SO2 emission 43 E# Bluetec 43 renewably generated 43 unmodified diesel 43 #g CO2/km [002] 43 zero VOC 43 CO2 emissions 43 CNG Compressed Natural Gas 43 bioheat 43 exhaust backpressure 43 Particulate Reactor TM 43 greenhouse gasses 43 sulfur sub bituminous 43 carbon emissions 43 CO2/km 43 ozone depleting 43 Earth orbit LEO 43 Bio SNG 43 CO2emissions 43 Econetic 43 Low Emission Diesel 43 reciprocating engine 43 T5 lamps 43 biojet fuel 43 Paccar MX 43 emis sions 43 BlueTec 43 ODSs 43 heat trapping gasses 43 sulfur dioxide SO2 43 charge compression ignition 43 tanker newbuilding orders 43 sulfur bituminous coal 43 Vehicles FFVs 43 Certified Emission Reductions 43 smog forming gases 43 Adblue 43 mixed xylene 43 Incandescent bulbs 43 #.#af standard 43 thermodynamic efficiency 43 bio diesel 43 hydroprocessing 43 Greenhouse Gas GHG 43 double hulled tanker 43 voltage MOSFETs 43 Butanol 43 naphtha 43 Fuel Conditioner 43 pH soils 43 quantified emission 43 Low VOC paints 43 oxyhydrogen 43 Volatile Organic Compounds VOC 43 PACCAR MX 43 LNG cargos 43 halogenated compounds 43 EnergyStar appliances 43 Borco 43 GHG emission 43 ozone depleting gases 43 satang liter 43 vehicles NGVs 43 smoggiest skies 43 blowdown drums 43 cooled Exhaust 43 polyaromatic hydrocarbons 43 ANSI C#.# 43 GE WattStation 43 hydrocarbons nitrogen oxides 43 prevent misfueling 43 Volvo Penta IPS 43 cyclohexane 43 unleaded gasoline futures 43 Reverse osmosis 43 refiners 43 BluePerformance 43 Cummins Particulate Filter 43 regenerative thermal oxidizer 43 VOCs volatile 43 crankcase ventilation 43 naphthenic 43 TSX WPT 43 Soladiesel 43 hydrocarbon feedstock 43 Murban crude 43 Ozone Depleting Substances 43 P#.#/liter 43 turbodiesel engines 43 iso octane 43 NASDAQ WPRT global 43 carbon 43 n butanol 43 hybrid powertrains 43 Reduce Emissions 43 detergency 43 GHG Tailoring Rule 43 Marpol 43 Aerators 43 greenhouse gas emission reductions 43 tailpipe pollution 43 NT Plasmatron 43 gaseous hydrogen 43 Autogas 43 particulate pollutants 43 American Jianye 42 ICEs 42 density polyethylene HDPE 42 Yacht Carbon Offset 42 HCFC 42 biogases 42 EthosFR + 42 unburned hydrocarbons carbon monoxide 42 ZEVs 42 efficiency particulate 42 decontrol petrol 42 halons 42 tertiary butyl ether MTBE 42 oxidation catalytic converter 42 tug escorts 42 CO2 42 sulfur dioxides 42 nutrient discharges 42 hulled vessels 42 vehicles FFVs 42 IEEE# [001] 42 VLGCs 42 Shell gasolines 42 biodiesel B# 42 2ppm 42 LNG 42 kilowatt microturbine 42 3/gallon 42 EU6 42 ethene 42 reciprocating engines 42 diesel aftertreatment 42 syngas 42 #/MMBtu 42 hydrofluorocarbon 42 aromatic hydrocarbons 42 EU5 emissions 42 AdBlue 42 Remy HVH electric 42 Cummins Westport 42 Technology Partial Zero 42 ML# BlueTEC 42 VCM PVC 42 RON# petrol 42 combustor 42 Dual flush toilets 42 ECAs 42 anhydrous ethanol 42 volumetric efficiency 42 tailpipe pollutants 42 Greenhouse gasses 42 VOC Volatile Organic Compounds 42 liter dCi diesel 42 sub bituminous coal 42 gasolene 42 centistoke fuel 42 smog forming nitrogen oxide 42 Biodiesel blends 42 waterborne coatings 42 Partial Zero Emissions Vehicle 42 nonattainment areas 42 nonfossil fuel 42 carrier flydubai 42 House Gases GHG 42 dioxide emissions 42 blendstocks 42 fuel efficent 42 environmentally friendly 42 naptha 42 Eurobob 42 Underinflated tires 42 silane gas 42 GHG reduction 42 peaker plants 42 RO desalination 42 aqueous urea 42 acrylic esters 42 soot pollution 42 ThermaCat ™ 42 ethylene amines 42 oil sands bitumen 42 carbon dioxide emission reductions 42 gasifying coal 42 CNG 42 legally binding pact obligating 42 Ecotec #.#L turbo 42 ILSAC 42 alkylate 42 clamping voltages 42 Volatile Organic Compounds 42 Ozone Depleting Substances ODS 42 Nitrogen oxide 42 Naphtha 42 installing scrubbers 42 GenSet 42 E# ethanol 42 normally aspirated engine 42 USD #/mt [001] 42 light emitting diodes LED 42 SmartWay certified 42 Coal gasification 42 Enviro Log firelogs 42 LCFS 42 Polybrominated 42 reefer containers 42 sulfate aerosols 42 Dynamic Positioning 42 MZR CD 42 risk Hevezi 42 sulfur dioxide SO2 nitrogen 42 Low Sulfur 42 Carbon dioxide emissions 42 internal combustion engine 42 Cellulosic biofuels 42 hydrochlorofluorocarbons HCFCs 42 EPEAT Gold rated 42 oily bilge water 42 ozone depleting compounds 42 N2O emissions 42 oxidation catalyst 42 HFO #yf 42 crude oil 42 magnetic bearings 42 ethylene feedstock 42 water cooled chillers 42 Capesizes 42 kWe 42 converter topologies 42 bioethanol E# 42 single hulled barges 42 lb hr 42 PHEVs 42 harmful gasses 42 harmonic filters 42 produced Friedlingstein 42 cost carriers LCCs 42 Rentech Fischer Tropsch 42 butanes 42 NGVs 42 oceangoing vessels 42 Energtek proprietary 42 cleanest fossil 42 Capstone microturbine 42 toxic polychlorinated biphenyls 42 FuelCell Energy ultra 42 harmful particulates 42 environmentally harmful 42 Cathy Milbourn 42 #.#:# compression ratio [002] 42 carbon ferromanganese 42 GHU 42 MARPOL Annex 42 Solazyme oils 42 emissions reductions CERs 42 overdrive gears 42 sulfur dioxide particulates 42 electrically powered vehicles 42 gas recirculation 42 DPF Diesel Particulate Filter 42 liquified natural gas 42 VOC paint 42 greehouse gas 42 C MAX Energi 42 asphalt lube oils 42 Puebla Guadalajara 42 midgrade gasoline 42 regasification terminals 42 Soy biodiesel 42 Soperton Plant 42 Boatyards 42 turbodiesel engine 42 HFA inhalers 42 manmade greenhouse gas 42 IS #d 42 Bluetec 42 Pellet stoves 42 aftertreatment 42 CO2 emmissions 42 pentane 42 tpy CO2e 42 paraxylene 42 VOC volatile organic 42 Refrigerants 42 fluorinated gases 42 carbon emmissions 42 voltage halogen 42 liter CDTI 42 dichloroethene 42 FFVs 42 noise amplifiers LNAs 42 methanol ethanol 42 cryogenic liquids 42 Fischer Tropsch FT 42 eco solvent inks 42 oil HSFO barges 42 spark ignition 42 Rolls Royce BR# 42 HR#DE 42 IPPC directive 42 sulfur dioxide pollution 42 MixAlco 42 Midgrade 42 pollutant 42 electric drivetrains 42 Lithium Ion batteries 42 diesel particulate matter 42 Zero Emission Vehicle ZEV 42 heat trapping greenhouse 42 para xylene 42 ASTM D# [002] 42 petrols 42 mogas 42 enrgy 41 BALMO swap 41 TDCi diesel 41 Cement kilns 41 hp V6 engine 41 detergent additives 41 cam phasing 41 EGR cooler 41 ACERT Technology 41 EPA# 41 Rabigh refinery 41 Greenhouse gases 41 alkylates 41 hydronic heaters 41 selective catalytic reduction 41 nitrogen oxide pollution 41 stricter emission 41 aging steamships 41 VOCs volatile organic compounds 41 NiCd batteries 41 GhG 41 ozone precursors 41 Low Sulfur Diesel 41 bituminous coals 41 T8 lamps 41 oilsands extraction 41 0W 41 BlueTEC diesel 41 biobutanol 41 gasoline additive 41 soy biodiesel 41 subsea dispersants 41 VRB ESS 41 hydraulic accumulator 41 O2Diesel 41 switcher locomotives 41 harmful pollutants 41 gaseous pollutants 41 Barrancabermeja refinery 41 Low Emission 41 refrigerant gases 41 mercury vapor lamps 41 RTFO 41 carrier terminal LCCT 41 regasified LNG 41 dispense E# 41 cSt 41 dPollution Device 41 UV disinfection systems 41 GHG emissions 41 nitrogen discharges 41 hydro treater 41 reduce greenhouse gasses 41 perfluorocarbons PFCs 41 nitrogen oxides particulate matter 41 actuated valves 41 Earth Orbit LEO 41 isobutane 41 cleanest diesel 41 airsheds 41 HCCI engines 41 sulfate particles 41 CNG buses 41 greenhouse gas emissions 41 reverse osmosis desalination 41 Electro Magnetic Interference EMI 41 biogasoline 41 fuel additive MTBE 41 de nitrification 41 zero tailpipe emissions 41 petrol powerplant 41 injector nozzles 41 sulfur oxides 41 fine particulate 41 raw bitumen 41 monoethylene glycol MEG 41 reduction SCR 41 gasoil 41 propylene 41 normally aspirated engines 41 Diesel Emission 41 cost carrier IndiGo 41 Bio DME 41 port drayage 41 NOx trap 41 butanol 41 V6 diesel 41 hydro chlorofluorocarbons 41 Tapis crude 41 Methyl bromide 41 Crude Carrier VLCC 41 Refineries