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Frequent Questions
Air
Emissions
Are there potential health effects associated with diesel emissions? What is EPA doing about diesel emissions?
Can burning candles affect the air quality in my home?
Do products - fuel economy devices or fuel additives - that claim to improve fuel economy or lower emissions really work? Some say they are EPA-certified.
How can I find information on cemeteries or mortuaries?
How can I find information on environmental compliance?
How can I find out how much air pollution is released by a certain process?
How can I find out if the replacement of a part of my vehicle is covered under an emissions warranty?
How can I get environmental information about where I live ? (city, county, state, etc.)
How can I help protect the environment during the summer months?
How can I improve my gas mileage?
How can I report a refrigerant violation, and is there a reward?
How do I find more information on emissions for my motorcycle?
How is EPA reducing mercury emissions from power plants?
How may I obtain the Certificate of Conformity for a vehicle?
How might balloons released into the air affect the environment? Who should I check with to see if balloon releases are allowed in my area?
I just bought a used car and discovered the catalytic converter is missing. Is that legal?
I'm concerned about air quality issues associated with a nearby business. Are there potential health risks? What can I do?
Should I be concerned about a “rotten egg” smell in my home or workplace?
What about radon and radioactivity in granite countertops?
What are the biggest sources of mercury air emissions in the U.S.?
What are the EPA regulations for crematories and pathological incinerators?
What are the potential health effects associated with exposure to carbon monoxide?
What are the potential sources of formaldehyde emissions in buildings and how do they affect indoor air quality?
What are the requirements for paint booths?
What are volatile organic compounds (VOCs) and where can I find out more about them?
What causes indoor air problems?
What is benzene and what are its health effects? What is EPA doing about benzene?
What is EPA doing about diesel idling? Where can I find out information about diesel idling regulations?
What is EPA doing to reduce emissions of mercury into the air?
What is in the contrails that jets leave in the sky?
Where can I find assistance with emissions monitoring, calculations or control technology?
Where can I find historical or archived air quality and emissions data?
Where can I find information about lead or EPA lead publications?
Where can I find information about the diesel fuel used in heavy-duty trucks and buses and the emissions from diesel vehicles?
Where can I find information on aircraft and the environment?
Where can I find information on choosing and installing a heat pump in my home?
Where can I find information on climate change and the greenhouse effect?
Where can I find information on Energy Star products?
Where can I find information on issues related to purchasing or repairing the air conditioning unit in my home?
Where can I find information on oil spills?
Where can I find information on the new efficiency standards for air conditioners?
Where can I find information on the Tier 2 vehicle and gasoline sulfur standards?
Where can I find information on urban growth?
Where can I find National Emission Standards for Hazardous Air Pollutants (NESHAPs)? Where is the list of hazardous air pollutants?
Where can I find out about tax credits for buying a new hybrid car?
Where can I get information about alternative fuels or alternative fuel vehicles?
Where can I get information about animal feeding operations and animal waste?
Where can I get information on the BP oil spill?
Where can I learn about auto emissions and how they may affect the atmosphere?
Where can I locate information about Methyl Tertiary Butyl Ether (MTBE)?
Where can I locate information about the petroleum refining industry and emissions control?
Where can I locate information about wastewater, stormwater, sewage, municipal systems, or pollutant discharge?
Where can I locate information about wood stoves?
Where on the EPA Web site is there general information about automobiles, fuels, engines, vehicle emissions, and other transportation issues and regulations?
Which places have the best and worst air quality?
Who should I contact if I have a complaint about the burning of trash by my neighbors?
Why is my gas mileage lower than the EPA rating? What are the factors that affect fuel economy? And how do you determine your vehicle’s fuel economy?
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