» Air Quality

Heavy Trucks, Buses, and Engines

This site offers numerous sites with information concerning heavy duty engines used for urban, commercial, off road and civil applications. Under the new EPA proposed guidelines for monitoring diesel emissions, diesel engine manufacturers will be required to measure their emissions using actual highway applications and driving conditions as opposed to testing conducted in a lab environment. Read More

Goodbye Black Smoke, Hello GreenTransit

As a result of an in-house research project, Harvard University recently converted its entire diesel powered fleet of transit buses and campus service vehicles to biodiesel usage. Biodiesel was selected over other alternative energy because it offered fewer overall pollutants when compared to all the other popular energy forms. Read More

Ethanol Retailers

As the number and variety of flexible fuel vehicles (FFV) on our nations highways increase, likewise the need for an increased number and variety of renewable fuel outlets must become more accessible and available to the motoring public. Read More

E85 Refueling Locations

An interactive map for locating E85 stations. Read More

NASA Recognized for Use of Alternative Fuel Vehicles

The National Aeronautics and Space Administration has taken steps to impliment an “Alternative Fueled Vehicle Strategy” throughout all of the agency. Read More

Ethanol Across America: Education

This site offers numerous informational links concerning research, uses, production, benefits, technical performance and the impact of ethanol-fueled vehicles. Despite it�s non-destructive environmental impact, and its numerous applications and uses as an alternative and renewable energy source, numerous myths and misinformation have prevented ethanol from becoming recognized as one of the most viable energy source of the future. For 30 years it has been utilized as a gasoline additive and alternative fuel in nearly every state in the nation. Read More

Fuel Cells & Vehicles: Hydrogen Vehicle Testing facility

In November 2002, the U.S. Environmental Protection Agency (EPA) certified the National Vehicle and Fuel Emissions Laboratory (NVFEL) as their first lab for testing hydrogen fuel cell vehicles. The agency also certified the 2003 Honda FCX as the first fuel cell vehicle. The tests were limited to fuel economy issues only as the vehicle is said to be emission free. Read More

Fuel Cells and Vehicles

The EPA is playing a leading role in the Federal Government’s growing efforts to accelerate the development of fuel cell technology, especially for vehicle applications. A collaborative effort between the EPA, Daimler Chrysler, and UPS is under way to put several zero-emission, hydrogen powered package delivery vehicles into commercial service in Michigan. Much of the testing conducted is performed at the National Vehicle and Fuel Emissions Laboratory (NVFEL) in Ann Arbor, Michigan, where many of the testing protocols to handle hydrogen fuel were developed. Read More

Fuels and Fuel Additives: Diesel Fuel

While many strides have been made to reduce the emissions from gasoline-powered vehicles, similar accomplishments have eluded diesel-powered vehicles. This is due, in part, to some of the impurities in diesel fuel, which heretofore have affected exhaust emission control devices. Through efforts by EPA and Diesel engine manufacturers fuel refineries, the emission from diesel-powered vehicles have been reduced, and are expected to be reduced significantly more by 2007. Read More

Clean Air Nonroad Diesel - Final Rule

The EPA, in it’s quest to further reduce the sulfur, nitrogen oxide and particulate matter output, has included all manufacturers of non-road diesel engines within the umbrella group required to reduce their emission output. This is to be accomplished by integrating newly developed engine and fuel control systems. These actions are all part of the inter-related suite collectively known as the Clean Air Rule of 2004. Read More


EERL's mission is to be the best possible online collection of environmental and energy sustainability resources for community college educators and for their students. The resources are also available for practitioners and the public.


EERL is a product of a community college-based National Science Foundation Center, the Advanced Technology Environmental and Energy Center (ATEEC), and its partners.

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