Examples of mobile source air toxics include benzene, formaldehyde, and diesel particulate matter. EPA implements national programs and standards for fuels and vehicles that reduce air pollution including smog, soot, and toxic pollutants, and spur investments in clean vehicle and engine technology. EPA programs to reduce emissions from transportation sources have resulted in less smog and soot, significantly better air quality and better health for Americans.
By , EPA air quality emissions standards for vehicles are projected to annually prevent:. Passenger vehicles are regulated by EPA under light duty vehicle programs.
EPA set stringent emissions standards for passenger vehicles, as well as limits on the amount sulfur, a naturally occurring contaminant, in gasoline. Limiting sulfur in gasoline allows emissions reductions technologies like catalysts to be significantly more effective in reducing nitrogen oxides and other pollutants. EPA has a variety of standards to reduce emissions from heavy duty diesel vehicles and engines.
These include standards for tractor-trailers, large buses, construction and agricultural equipment, diesel engines in boats and ships, and even locomotives. These standards have significantly reduced emissions of diesel exhaust and improved public health.
The Clean Diesel Program offers funding in the form of Diesel Emissions Reduction Act grants and rebates as well as other support for projects that protect human health and improve air quality by reducing harmful emissions from diesel engines. Between and , almost 60, engines were retrofitted or replaced through our program. Freight transportation is a large contributor to air pollution and climate change.
SmartWay helps the freight transportation industry improve supply chain efficiency to reduce air pollution from their operations.
Ground-level ozone, a main ingredient in smog, can cause upper respiratory problems and lung damage. Unless we all start reducing car use and motor vehicle pollution, this level is set to increase dramatically. Independent research conducted by the Department of Transport and Main Roads identified air quality as a major concern among people in south-east Queensland. An average car creates almost 6 tonnes of pollutants each year. That's approximately equivalent to the weight of 7 small cars.
Despite this, current air quality is relatively good—but that doesn't mean it will remain that way in the future. South-east Queensland's population is predicted to reach 3 million in the next 15 years. If car use continues to rise, researchers predict we will double the number of vehicle kilometres travelled over the same period.
Releasing some emissions and causing some air pollution is an unavoidable by-product of using a motor vehicle. But there are simple steps you can take to make sure your vehicle's emission levels are as low as possible. To find out more, read how you can help reduce your car's emissions. Follow your owner's manual and make sure you schedule regular oil changes and other maintenance.
Newer vehicles have very complex emission controls to keep them running as clean as possible. If any of these controls are not functioning as designed, your vehicle will pollute more than it should. A check engine light on your dashboard means your vehicle is not operating as designed and needs repairs or maintenance. You should take your vehicle to a qualified automotive technician. Keeping your tires properly inflated makes your vehicle run more efficiently and burn less fuel.
You will find the correct tire pressure for your vehicle in your owner's manual. The way you drive can also influence how much pollution comes from your vehicle. Observing posted speed limits is one way to reduce pollution, and it's safer. Driving faster burns more fuel and emits more air pollutants.
Accelerating gradually also burns less fuel. Getting a vehicle moving from a complete stop uses the most energy, so go easy on the accelerator. Try to anticipate the road ahead and avoid racing from red light to red light.
Instead, strive to maintain a steady speed with less stop and go driving. Melanie Forster Environmental Specialist melanie. Reducing air pollution from cars Motor vehicles are Washington's largest source of air pollution.
You can reduce pollution from motor vehicles if you: Drive less Drive a less-polluting vehicle Avoid idling Drive smarter Maintain your vehicle.
Drive less Reducing the amount of miles you drive is the best way to reduce air pollution from motor vehicles. Avoid idling An idling vehicle gets zero miles to the gallon. Drive a cleaner vehicle Drive the most fuel efficient vehicle that meets your needs.
Maintain your vehicle Regardless of what you drive, you can make sure your car runs as clean and efficiently as possible. Drive smarter The way you drive can also influence how much pollution comes from your vehicle.
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