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(Click for frequent words.) 69 Emissions Testing 68 Vehicle Emission 66 EPA Proposes 65 Coal Fired Plants 64 Diesel Retrofit 64 Coal Fired Plant 64 Seat Belt Usage 64 Diesel Emissions 63 Emissions Standards 63 Promote Energy Efficiency 63 Biodiesel Fuel 63 Seat Belt Use 63 Hydrogen Fuel 63 Emission Rules 62 Emission Standards 62 Ethanol Blend 62 Ethanol Production 62 Ethanol Plants 62 Gas Mileage 62 Poultry Litter 62 Diesel Exhaust 62 Coal Plants 62 Carbon Dioxide Emissions 62 Ozone Pollution 62 Exhaust Emissions 61 Ignition Interlocks 61 Smog Standards 61 Mad Cow Testing 61 Cut Greenhouse Gas 61 Texting Ban 61 Smog Rule 61 Emission Reductions 61 Toxic Emissions 61 Stimulus Dollars 61 Fuel Cell Vehicles 61 Emissions Limits 60 Radon Testing 60 Hybrid Cars 60 NOx Reduction 60 Concealed Weapons 60 Seat Belt Law 60 Ozone Levels 60 Reducing Greenhouse Gas 60 Emissions Control 60 Hybrid Vehicles 60 Offers Rebates 60 Hybrid Vehicle 60 Scrap Tire 60 Coal Fired Power 60 Deer Vehicle Collisions 60 Greenhouse Gas Regulations 60 Tire Pressure 60 Nuke Waste 60 Appliance Rebates 59 Pollution Controls 59 Reduce Global Warming 59 Diesel Emission 59 Hydrogen Powered 59 Li Ion Batteries 59 Traffic Fatalities 59 Biodefense Lab 59 Radioactive Material 59 Heavy Duty Vehicle 59 Landfill Methane 59 Contaminated Soil 59 Diesel Fuel 59 Cleaner Fuels 59 Tornado Siren 59 Wildfire Threat 58 Fuel Mileage 58 Low Emission Vehicle 58 Fuel Pumps 58 Toxic Chemicals 58 Biodiesel Production 58 Hybrid Buses 58 Execution Method 58 Fuel Efficient 58 Hazmat Crews 58 Large Scale Solar 58 Smoke Detectors 58 Curb Emissions 58 Lawmakers Propose 58 Greenhouse Gas Reporting 58 Ethanol Blends 58 Emissions Reductions 58 Reduce Congestion 58 GHG Emissions 58 Hydrogen Fuel Cells 58 Diesel Particulate Filters 58 Pollution Reduction 58 Hazardous Waste Violations 58 Lithium Batteries 58 Woody Biomass 58 Tainted Spinach 58 Perform Poorly 58 Cellulosic Ethanol Plant 58 Electricity Usage 58 Lead Contamination 58 PEM Fuel Cell 58 Artificial Skin 58 Carbon Monoxide Detectors 58 Trans Fat Ban 58 Toxic Pollution 57 Coal Fired 57 Hydraulic Fracturing 57 Unlicensed Drivers 57 Fuel Efficient Vehicles 57 Hybrid Propulsion 57 Fuel Efficient Car 57 Nerve Agent 57 Biofuel Production 57 CO Detectors 57 Hydraulic Hybrid 57 Drug Sniffing Dogs 57 Mountaintop Mining 57 Cell Phone Ban 57 Explosive Materials 57 Pollutant 57 Wildfire Danger 57 CAFE Standards 57 Considers Tougher 57 Coal Gasification 57 Toxic Chemical 57 Catalytic Converters 57 Fuel Economy 57 Illegal Dump 57 Corn Ethanol 57 Governor Vetoes 57 Emissions 57 PSC Approves 57 Tornado Sirens 57 Motor Vehicle Emission 57 CO2 Emissions 57 Gambling Machines 57 Greenhouse Emissions 57 Generating Electricity 57 Synthetic Marijuana 57 Carbon Dioxide Capture 57 Tougher Penalties 57 Spill Shuts Down 57 Emission 57 Tanker Truck 57 Hazardous Chemical 57 Budget Vetoes 57 Renewable Diesel 57 Ephedra Ban 57 Idle Reduction 57 Hydrogen Refueling 57 Global Warming Pollution 57 HOV Lanes 57 Uninsured Drivers 57 Illegal Dumping 57 Water Contamination 57 Gas Pumps 57 Lithium Battery 57 Curb Underage Drinking 57 Toxic Mold 56 Testing Capabilities 56 Lawmaker Pushes 56 Recommends Changes 56 Emissions Targets 56 Cloning Ban 56 Gas Gouging 56 Teacher Evaluations 56 Tougher Laws 56 Flu Vaccine Shortage 56 Prevailing Wage 56 Reduce Pollution 56 Ethanol Mandate 56 Assisted Suicide Law 56 Booster Seat Law 56 Ban Texting 56 Child Abuse Cases 56 Fatal Crashes 56 Feds Propose 56 Hydrogen Fueled 56 Small Wind Turbines 56 Animal Cruelty Laws 56 Refinery Status BP 56 Electric Propulsion 56 Biobased Products 56 E# Ethanol 56 Superfund Cleanup 56 Tanker Overturns 56 Energy Efficient Lighting 56 Geothermal Heating 56 Gasification Plant 56 Proposes Tougher 56 Transport Refrigeration 56 Fuel Cell Bus 56 Concerns Arise 56 Bio Fuel 56 Invasive Weed 56 Gas Tax Hike 56 Fuel Additive 56 Lawn Watering 56 Statewide Smoking Ban 56 Solid Oxide Fuel Cell 56 Hydrogen Storage 56 Leak Causes 56 Leak Shuts Down 56 Nuke Plants 56 Underperforming Schools 56 Audit Faults 56 Small Wind Turbine 56 Workers Comp Costs 56 Carbon Monoxide Alarms 56 Greenhouse Gases 56 Wind Turbine Components 56 Bans Texting While 56 Sulfur Dioxide 56 Panel Considers 56 Gas Emissions 56 Underage Alcohol 56 Brake Override 56 Radiation Levels 56 Low Emission 56 Legislator Wants 55 Foul Smell 55 Am J Infect 55 EPA Greenhouse Gas 55 Pollution Levels 55 Nuke Reactors 55 Would Restrict 55 Gun Permit 55 Levee Repairs 55 Groundwater Contamination 55 Weather Radios 55 Workers Comp Rates 55 Failing Grades 55 Concealed Gun 55 EV Charging 55 Hazardous Substance 55 Proves Successful 55 Anthrax Detection 55 Fare Poorly 55 Reduces Emissions 55 Contaminant 55 FOIA Requests 55 Gas Guzzlers 55 Anti Idling 55 Task Force Recommends 55 Radioactive Waste 55 Residency Requirement 55 Touch Screen Voting Machines 55 Spinach Recall 55 Hydraulic Fluid 55 Septic System 55 Emissions Reduction 55 Drunken Drivers 55 Reminds Motorists 55 Generate Electricity 55 Cellulosic Ethanol Production 55 Pedestrian Deaths 55 Photovoltaic Solar 55 Improve Energy Efficiency 55 Greenhouse Gas Emissions 55 Affirmative Action Ban 55 Radioactive Materials 55 Meth Labs 55 Cigarette Tax Hike 55 Occupant Safety 55 Asbestos Abatement 55 Anthrax Vaccine 55 Clothes Dryer 55 Budget Cuts Could 55 Accident Causes 55 Abortion Clinics 55 Tainted Eggs 55 Contaminated Land 55 Chemical Spill 55 Ash Spill 55 Whooping Cough Cases 55 Efficiency DSIRE 55 Fuel Tank 55 Nuke Plant 55 Related Deaths 55 Railroad Crossings 55 Spill Closes 55 Offshore Wind Turbine 55 Environmental Impacts 55 Hazardous Waste Disposal 55 Immigrant Tuition 55 Lawmaker Proposes 55 Transit Ridership 55 Pot Growers 55 Stiffer Penalties 55 Copper Thefts 55 Cut Carbon Emissions 55 Cell Phone Use 55 Speed Limits 55 Creates Jobs 55 Law Takes Effect 55 Lethal Injections 55 Feds Deny 55 Patents Issued 55 Mountaintop Removal Mining 55 Continuous Emission 55 Meningitis Outbreak 55 Sewage Sludge 55 Desulfurization 55 Conserve Fuel 55 Driver Distraction 55 Deer Collisions 55 Firearms Trafficking 55 Staph Infections 55 Teacher Tenure 55 Minimum Wage Increases 55 Environmentally Safe 55 Fatal Explosion 55 Megawatt Solar 55 Reduce Diesel Emissions 55 Avian Flu Vaccine 55 Study Recommends 55 Vehicle Inspections 55 Specialty License Plate 54 Passes Landmark 54 Blackout Probe 54 Winds Cause 54 Delays Shuttle Launch 54 Coal Slurry 54 Truck Rollover 54 Mosquito Spraying 54 Caution Urged 54 Texting Bans 54 Predatory Towing 54 Leak Closes 54 Hail Damage 54 Hazmat Incident 54 Goes Greener 54 Illegal Fireworks 54 H#N# Flu Cases 54 Mentally Ill Inmates 54 Cow Manure 54 Pesticide Use 54 Improve Reliability 54 Methane Gas 54 Soil Erosion 54 Smallpox Vaccinations 54 Seat Belt Laws 54 Recalled Vehicles 54 Manure Spill 54 Jobless Rates 54 Pesticide Testing 54 Bagged Spinach 54 House Panel Approves 54 Lobbying Disclosure 54 Nuke Weapons 54 Premature Deaths 54 Operability 54 Warning Sirens 54 Gas Prices Soar 54 Tanker Crash 54 Welfare Recipients 54 Drunken Boating 54 Worker Electrocuted 54 Roads Safer 54 Truck Catches Fire 54 Frigid Temperatures 54 Pot Growing 54 Fuel Consumption 54 Greenhouse Gas Emission 54 Carpool Lanes 54 Prompts Changes 54 Plant Shutdowns 54 Speed Cameras 54 Landfill Gas 54 Regenerative Braking 54 Fake Pot 54 Combustion Turbine 54 Gaging 54 Speed Limiters 54 Oxygen Sensor 54 Causes Evacuation 54 Reduce CO2 Emissions 54 Truckers Protest 54 Nerve Gas 54 Nuclear Capable Missile 54 Budget Impasse 54 Nuclear Warheads 54 Vehicle Thefts 54 Probable Swine Flu 54 Stun Guns 54 Roadside Memorials 54 Unapproved Drugs 54 Distracted Drivers 54 Drug Resistant HIV 54 Bacteria Levels 54 Electric Vehicle Charging 54 Cleaner Burning 54 Fine Particle 54 Lithium ion Batteries 54 Billion Gallons 54 Considers Ban 54 Spill Cleanup 54 Particle Pollution 54 Indoor Smoking Ban 54 Thyroid Function 54 Wasting Money 54 Gum Removal 54 Temporary Closure 54 Stimulus Projects 54 Causing Concern 54 Nuclear Plants 54 Be Addressed 54 Override Veto 54 Naturally Occurring 54 Bomb Sniffing Dogs 54 Multi Jurisdictional 54 Cigarette Taxes 54 Declared Unconstitutional 54 Deer Baiting 54 Distillers Grains 54 Tax Rollback 54 Sex Offender Tracking 54 Smoking Bans 54 Rest Stops 54 LDAR 54 Powertrains 54 Waste Discharge 54 Violated Rules 54 Taxpayer Dollars 54 Fuel Cell Stack 54 Ballot Initiatives 54 Jail Overcrowding 54 Frigid Weather 54 Refrigerant 54 Toxic Cleanup 54 Drinking Water Quality 54 Flexible Fuel 54 Bus Seat Belts 54 Cellulosic Ethanol 54 Leaf Blowers 54 Pot Dispensaries 54 Input Sought 54 Drugs Found 54 Fuel Cell Powered 54 Senators Propose 54 False Alarms 54 Fix Leak 54 Anthrax Scare 54 Deadly Plane Crash 54 Judge Halts 54 Diesel Engines 54 Stationary Fuel Cell 54 Officials Urge Caution 54 Order Lifted 54 Contaminated Sites 54 Moderate Drinking 54 Reduce Emissions 54 Airline Delays 54 Ultra Efficient 54 Awarded Multiple 54 Strip Searches 54 Prius Hybrids 54 HVAC Technicians 54 Deaths Prompt 54 Holds Hearings 54 Underage Drinkers 54 Concerns Prompt 54 Acid Spill 54 Acne Drug 53 Slick Roads 53 Prison Inmate 53 Recycling Bins 53 Panel Suggests 53 Same Sex Benefits 53 Pothole Problems 53 Vehicle Rebate 53 Disaster Declared 53 Grad Rates 53 Precedent Setting 53 Concentrating Solar 53 Cracking Down On 53 Fuel Efficiency 53 Hydrogen Fuel Cell 53 Smart Grid Stimulus 53 Envirotest 53 Premature Births 53 Algae Biofuel 53 Racial Disparity 53 Inmate Escape 53 Successful Implementation 53 Unwanted Horses 53 Panel Mulls 53 Gay Marriage Licenses 53 Denies Petition 53 Burn Ban 53 Cleaner Coal 53 Abortion Notification 53 Drought Conditions 53 Overdose Deaths 53 Force Evacuations 53 Cut Greenhouse Gases 53 Snow Plowing 53 Pesticide Residue 53 Endocrine Disruptor Screening 53 Detect Breast Cancer 53 Fire Hydrants 53 Anti Illegal Immigrant 53 Spill Containment 53 Suit Challenges 53 Wet Weather 53 Demonstration Facility 53 Dynamometer 53 Odor Control 53 Raise Minimum Wage 53 Improves Accuracy 53 Scientists Warn 53 Solar Installations 53 Hepatitis Outbreak 53 Tighter Controls 53 Greenhouse Gasses 53 Underscore Need 53 Home Weatherization Assistance 53 Space Heater 53 Explosion Proof 53 Garbage Pickup 53 Heavy Rainfall 53 CFL Bulbs 53 Driver Survives 53 Nuclear Reactors 53 Diagnostic Procedures 53 Snarl Traffic 53 Process Instrumentation 53 Carbon Emissions 53 Lawmaker Seeks 53 Thieves Stealing 53 Cloud Seeding 53 Flu Vaccines 53 Could Save Lives 53 Smoking Ordinance 53 Carbon Monoxide Detector 53 Consolidates Operations 53 Groundwater Recharge 53 Programmable Thermostat 53 Tanker Explosion 53 Train Accidents 53 CO2 Emission 53 Seeks Input 53 NYC Subways 53 Photovoltaic Module 53 Tanker Spill 53 Rabies Cases 53 Confirmed Swine Flu 53 Fetal Pain 53 Driverless Car 53 Improve Efficiency 53 Protective Coating 53 Medium Duty 53 Pumped Storage 53 Electric Pressure Washers 53 Biofuel Crops 53 Mandatory Evacuations 53 Nitrogen Oxide 53 Consumers Warned 53 Doctor Shortage 53 Teaching Positions 53 E. Coli Contamination 53 Workers Comp Reform 53 Workers Comp Fraud 53 Med Mal 53 Glass Fibers 53 Zero Emission Vehicle 53 Salmonella Cases 53 Regents Approve 53 Supreme Court Hears Arguments 53 Crack Sentences 53 Bird Flu Outbreaks 53 Mercury Emission 53 Ultra Low Sulfur Diesel 53 Pervious Concrete 53 Budget Shortfalls 53 Automatic Transmissions 53 Prescription Drug Disposal 53 Rocky Mountain Oilfield 53 Certain Cancers 53 H#N# Vaccinations 53 Firefighters Respond 53 Sprinkler System 53 Intersex Fish 53 Wage Freeze 53 Plant Explodes 53 PACCAR MX Engine 53 Organic Molecules 53 Drinking Water Treatment 53 Clandestine Lab 53 Mpg 53 Digit Dialing 53 Mercury Fillings 53 Commence Immediately 53 Vehicle Electrification 53 Selective Catalytic Reduction 53 Asbestos Removal 53 Pill Mill 53 ACCCE Statement Regarding 53 Tax Exemptions 53 Stem Cell Patents 53 Buildings Evacuated 53 Corn Cobs 53 Carbon Emission 53 Drunken Driving 53 Efficient Solar Cells 53 Renewable Portfolio 53 Abandoned Vehicles 53 Child Restraint 53 Jobless Benefits 53 Vapor Recovery 53 Supervisors Approve 53 Fuel Cell Vehicle 53 Hydrogen Fueling Station 53 Tattoo Parlors 53 Lawmakers Oppose 53 Holds Promise 53 Greenhouse Gas Reduction 53 Bullet Proof Vests 53 Antidumping Duties 53 Fires Prompt 53 Causing Traffic 53 Portable Fuel Cell 53 Arsenic Levels 53 Energy Efficiency Programs 53 CO2 Sequestration 53 Gaps Remain 53 Close Loophole 53 Parental Notification Law 53 Cargo Screening 53 Programmable Thermostats 53 Prevent Foreclosures 53 Heavy Duty Trucks 53 Turbine Engine 53 Touch Screen Voting 53 Diesel Spill 53 Water Rate Hike 53 Underground Storage 53 Executes Convicted Killer 52 Scare Prompts 52 Fatal Blast 52 Clogged Arteries 52 Detect Cancer 52 Flowing Into 52 Pose Challenges 52 Teen Pregnancy Rates 52 Cancer Causing 52 Acid Leak 52 Feds Approve 52 Flexpoint Announces 52 Be Eased 52 Considers Expanding 52 Icy Conditions 52 Radioisotope 52 Sewage Overflows 52 Booster Seat 52 Crop Yield 52 License Renewal 52 Teen Pregnancy Rate 52 Chemical Leak 52 Nursing Shortage 52 Ignition Interlock 52 Lung Cancer Risk 52 Air Pollutants 52 Airborne Toxic Control 52 Textbook Costs 52 Biomass Conversion 52 Breathe Easier 52 Fuel Dispenser 52 Cut Emissions 52 Basic Skills ITBS 52 Egg Recall 52 Expanded Coverage 52 Project Nears Completion 52 Offers Incentives 52 Lead Abatement 52 Fuel Emissions 52 Abortion Ultrasound 52 PV Module 52 Chemical Hazards 52 Retrofits 52 Inmate Escapes 52 Inflammatory Response 52 Hydrogen Sulphide 52 Staffing Levels 52 Antibiotic Use 52 Malpractice Insurance 52 Breath Alcohol 52 Installers Drug 52 Cause Headaches 52 Snow Sleet 52 Uranium Enrichment 52 Marijuana Bust 52 Felony Arrests 52 Negatively Impact 52 TxLED 52 Greenhouse Gas 52 Toxic Fumes 52 Cattle Feeding 52 Seek Input 52 Japan Nuke Plant 52 Flavored Cigarettes 52 Commissioners Approve 52 Emissions Monitoring 52 Potentially Dangerous 52 Problems Plague 52 Emission Controls 52 Nuclear Warhead 52 Fumigant 52 Fuel Rods 52 Methane Emissions 52 Electricity Consumption 52 Meat Recall 52 Cell Phone Jamming 52 Reminds Drivers 52 Shootings Prompt 52 Global Warming Emissions 52 Dangerous Intersection 52 Temporarily Closing 52 Fuel Cell Buses 52 Mistake Leads 52 Would Require 52 Specimen Collection 52 Felon Voting 52 Malpractice Claims 52 Causes Problems 52 Pit Bull Ban 52 Radiation Exposure 52 Coolants 52 Structural Components 52 Greenhouse Gas Inventory 52 Smoke Detector 52 Cause Confusion 52 Wastewater Discharge 52 Petition Signatures 52 Woes Prompt 52 Unsafe Driving 52 Sewage Overflow 52 Atmospheric Carbon Dioxide 52 Paternity Testing 52 Crime Stats 52 Dairy Cows 52 Resume Nuclear 52 Fake Goods 52 Fatality Assessment 52 Groundwater Monitoring 52 Costing Taxpayers 52 Flue Gas 52 Occupational Exposure 52 Ammonia Leak 52 School Bus Collides 52 Airport Screeners 52 Wastewater Disposal 52 License Renewals 52 Face Fines 52 Abandoned Mines 52 Gas Prices Climb 52 Firefighting Efforts 52 Loophole Allows 52 Panel Advises 52 Drastic Cuts 52 Levee Break 52 Plant Closures 52 Triple Digit Heat 52 Vicious Dog 52 Water Purification 52 Remain Sluggish 52 Fusion Reactor 52 Teen Pregnancies 52 Surface Coating 52 Issues Resolved 52 Cigarette Smoke 52 Stormwater Runoff 52 Flooded Roads 52 Deemed Safe 52 Expert Discusses 52 Prison Escapees 52 Steam Turbines 52 Sales Tax Deduction 52 Legislation Introduced 52 Stimulus Spending 52 Burglar Alarm 52 Electrical Generating 52 OSHA Cites 52 Tractor Trailer Accident 52 B# Biodiesel 52 Diesel Exhaust Fluid 52 Lawsuit Challenges 52 Budget Cuts Affect 52 Swine Flu Deaths 52 International Rectifier Introduces 52 Ballot Issues 52 Recalls Beef 52 Lowers Costs 52 Petting Zoos 52 EcoBoost Engine 52 Fee Hikes 52 Particulate Matter 52 Concealed Handgun 52 Feral Swine 52 Budget Cuts Mean 52 Likely Cause 52 Seeks Bids 52 Emission Cuts 52 Teacher Shortage 52 Pollution Discharge Elimination 52 Seek Tougher 52 Beef Recall 52 Largest Solar 52 O. Reg 52 Whooping Cough Vaccine 52 Advisories Issued 52 Drug Resistant Tuberculosis 52 Traffic Stops 52 Offers Valuable 52 Law Ruled Unconstitutional 52 Considers Cutting 52 Flu Outbreak 52 Speed Humps 52 Concealed Weapon 52 Refrigerants 52 Sierra Snowpack 52 Transmission Lines 52 Permitting Process 52 Minimum Wage Hike 52 Fresh Spinach 52 Magnetic Separation 52 E. Coli Cases 52 Harmful Chemicals 52 Ballasts 52 Restrictions Lifted 52 Starving Horses 52 http:/www.depweb.state.pa.us Keyword 52 Mumps Cases 52 Sewage Spills 52 Cigarette Tax 52 Contaminates 52 sulfur dioxide nitrous oxide 52 Temporarily Close 52 Seat Belts 52 Renewed Effort 52 Dropout Rate 52 Net Metering 52 Nuke Site 52 Vcall Interactive 52 E. coli Outbreak 52 Heating Bills 52 Abandoned Mine 52 Icy Roads 52 Ex Convicts 52 Budget Shortfall 51 Wind Turbine Manufacturing 51 Gas Price Gouging 51 Toll Hikes 51 Indoor Environments 51 Byproduct 51 Ensure Compliance 51 Tainted Beef 51 Radiation Detectors 51 Help Revitalize 51 Drying Out 51 Comment Period 51 Deer Crashes 51 Violations Found 51 Oil Spill Cleanup 51 Marijuana Grow 51 Corn Crop 51 Truck Fleets 51 Restrictions Imposed 51 Chemical Reactions 51 Wants Stricter 51 Leak Detection 51 Hydrogen Sulfide 51 Voting Machines 51 Plastic Bag Recycling 51 Liver Function 51 Smallpox Shots 51 Fatal Plane Crash 51 Silicon Wafer 51 Minimum Wage Increase 51 Alternative Fuel 51 Budget Woes 51 Potentially Hazardous 51 Arson Fires 51 Marijuana Dispensary 51 Norovirus Outbreak 51 Boost Economy 51 Enhance Efficiency 51 Biodegradable Plastics 51 Overturned Tanker 51 Determine Cause 51 Too Costly 51 Residents Urged 51 Tainted Peanut Butter 51 Holds Hearing 51 Dissolved Oxygen 51 Permeation 51 Pollutes 51 Considers Raising 51 Occupant Restraint 51 Legislators Approve 51 Tax Incentives 51 Quake Damage 51 Cases Linked 51 Broadband Stimulus Funds 51 Apartment Blaze 51 Dual Clutch 51 Researchers Devise 51 Evacuations Ordered 51 Import Tariffs 51 Deadly Accidents 51 Tests Reveal 51 Soybean Rust 51 Cause Problems 51 Arsenic Removal 51 Metal Thefts 51 Emission Testing 51 Phaseout 51 Nonpoint Source 51 Russel Metals Announces 51 Plastic Bottles 51 Stun Gun Use 51 Steam Generator 51 Crash Avoidance 51 Yellowstone Snowmobile 51 Permanently Close 51 Boating Accidents 51 Megawatt Solar Power 51 Asthma Inhalers 51 Expansion Slows 51 Carbon Monoxide 51 Lawmakers Approve 51 Flood Damaged 51 Reduce Greenhouse Gas 51 Aftertreatment 51 Alcohol Intake 51 Cognitive Abilities 51 Secondhand Smoke 51 Effort Underway 51 Cold Temps 51 RoHS Compliance 51 Shutoff 51 Stricter Rules 51 Propose Changes 51 Rooftop Solar 51 Electromagnetic Radiation 51 Wasting Disease 51 FERC Approves 51 Criminal Background Checks 51 Bankruptcy Filings 51 Solar Water Heater 51 Mosquito Bites 51 Residential Energy Efficiency 51 Report Outlines 51 Activated Carbon 51 Syphilis Outbreak 51 Chain Reaction Crash 51 Tobacco Tax Hike 51 Hydrogen Generation 51 Slavery Apology 51 Proposed Cuts 51 Cites Flaws 51 Ozone Generators 51 Inmate Death 51 Whooping Cough Outbreak 51 Overturned Truck 51 Synchronous Buck 51 Regulate Tobacco 51 Panel Criticizes 51 Refinery Blast 51 Electronic Waste Recycling 51 Nicotine Levels 51 Causes Massive 51 Apartment Rental 51 Methylene Chloride 51 Pesticide Disposal 51 Wintry Blast 51 Flat Tire 51 Carrier Safety 51 Prompts Closure 51 Pothole Problem 51 Plastic Bag Ban 51 Childhood Immunization 51 Biomass Utilization 51 Temporary Halt 51 Extending Unemployment Benefits 51 Flexible Fuel Vehicle 51 Be Inspected 51 Courses Offered 51 Coolant 51 Proven Methods 51 Worker Furloughs 51 Unpaid Bills 51 Pose Danger 51 Gubernatorial Candidates 51 Silicon Solar Cells 51 Deicing 51 Offshore Wind Turbines 51 Advisory Issued 51 Largest Solar Photovoltaic 51 MOX Fuel 51 Numbering System