... takes into account the emissions from the power plants that generate the electricity to recharge EV batteries. It is much more efficient to control air pollution from a single power plant rather than from many individual automobiles. Electric vehicles with cleaner air as a byproduct, will improve the air quality ... expected from current levels of exposure to mobile source emissions. The models consider available health studies, air quality data, and other information about the types of vehicles and fuels currently in use. Nonroad mobile sources (such as tractors and snowmobiles) emit a...

• Word Count: 2044
• Approx Pages: 8
• Grade Level: Undergraduate

... emission regulations affect some of the 2002 heavy-duty diesel engines, which have now incorporated new emission control technologies. The "benchmarking program" will extensively test the performances, emissions in two types of class in diesel engine. The two class, one, is heavy-duty diesel engines from 450 horsepower an up, the second is light-duty diesel engines, around 300 horsepower these ... and lost workdays, according to the government." The diesel fuel used in off-road equipment has a high-sulfur contain of 3,000 parts per million that clogs anti-pollution devices, and contribu...

• Word Count: 696
• Approx Pages: 3
• Grade Level: Undergraduate

... increased pressure, automakers have been faced with the challenge to build more fuel-efficient cares. All new vehicles must meet federal emission standards but the older the vehicle the more pollution it produces. Automakers must conform to the laws and have responding by producing different vehicles like an electric and hybrid cars. The human perception of electric cars is that they ... vapor. Another benefit of hydrogen is that it is a renewable resource that we cannot exhaust. Because cars, trucks and other mobile sources account for almost a third of the total air pollution in the U...

• Word Count: 836
• Approx Pages: 3
• Grade Level: Undergraduate

... everlasting substance. The most important issue concerning the world's environment is preservation. Even religious leaders are being concerned with this growing issue of pollution. "A group of religious leaders came to the Motor City with a proposition for the U.S. automakers: Start producing vehicles that are kinder ... to gods creation and we will urge the faithful to buy them." (Porretto 3D) pollution produced from internal combustion engines powered by petroleum-based fuels. These engines "emit significant amounts of air pollutants, air toxins, and carbon ... fuel efficiency. Many c...

• Word Count: 1803
• Approx Pages: 7
• Has Bibliography
• Grade Level: Undergraduate

... energy (Halderman Automotive 49). Vehicles move by way of mechanical energy produced by the engine. In the combustion process and by fuel evaporation, a vehicle takes part in environmental pollution and the greenhouse effect, which ultimately causes global warming. When experts realized what these emissions can do to them and the environment, the government started to create laws to counteract ... ; additionally the engine produces emissions of carbon monoxide, hydrocarbons and nitrogen oxides in smaller amounts. Catalytic converters are used in order to stop or reduce these emissions. T...

• Word Count: 1239
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

... after this, automotive manufacturers have built new hybrid cars to combat crises such as the oil crisis of 1973 and the surge of air pollution in the 1990's. It wasn't until the year 2000 that the world understood the tremendous possibilities of this new line of cars and created ... designs, and structures that are incorporated into the hybrid car help it run flawlessly with an improved performance over traditional gasoline powered cars. There are two types of hybrid cars which both have their assets and drawbacks. The first type of hybrid car, known as a parallel hybrid, has a fuel tank,...

• Word Count: 978
• Approx Pages: 4
• Grade Level: Undergraduate