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Articles/News with emissions tag

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Cummins Westport achieves engine production milestone
July 11, 2011
The company’s plant in North Carolina builds the 10,000th ISL G natural gas engine, which can be used in school buses. Officials say this makes the ISL G the largest single automotive natural gas engine production in Cummins history. Key features of the unit include power ratings from 250 to 320 horsepower and up to 1,000 lb.-ft. of torque.
The Latest in Emission-Control Technology
July 5, 2011

From diesel particulate filters to diesel oxidation catalysts to crankcase filtration systems to a hybrid system, there are numerous products available to the industry. Their emission-reduction capabilities range from 20 to more than 90 percent, and they can be applied to a variety of engines and school buses.

IC Bus hybrid unit delivered to Canadian school
April 21, 2011
The school receives the bus for winning the title of "Canada's Greenest School" last year. Jennifer Hoa entered a video in the contest that focused on future leaders having the ability to inspire their school and others in taking "green" initiatives.
Coalition calls for diesel program funding
March 31, 2011
School transportation providers are among those writing to Congress to keep the Diesel Emissions Reduction Act program running. They urge legislators to allocate $50 million for fiscal year 2012.
Obama proposes to stop DERA funding in 2012
February 17, 2011
The news comes as the president’s administration releases the fiscal year 2012 budget. The DERA authorizes the allocation of grant funding for the EPA’s National Clean Diesel Campaign, which has helped pupil transportation operations reduce emissions from their school buses by providing money for pollution-control technology.
Blue Bird: 2010 emission-compliant bus sales exceed 5,000
January 31, 2011
The manufacturer says that customers are seeing fuel economy savings with its school buses equipped with SCR to meet the EPA standards. An Indiana transportation director gives details on his district’s experience with the technology.
Obama signs Diesel Emissions Reduction Act
January 6, 2011
The program, which provides funds to reduce emissions from school buses and other diesel vehicles, is reauthorized for another five years. An industry official calls it "one of the most important clean air initiatives passed by Congress in recent years."
Revised clean air rule still concerns pupil transporters
January 5, 2011
Among the changes to the California Air Resources Board’s Truck and Bus Regulation is the amount of time that school bus operations have to get their buses to comply with emissions-control technology percentage limits. A member of the state’s School Transportation Coalition discusses with SBF the organization’s problems with the regulation, including its view that it creates an unfunded mandate for school districts.
House passes Diesel Emissions Reduction Act
December 21, 2010
The five-year reauthorization of the program, which provides funds to reduce emissions from school buses and other diesel vehicles, now goes to President Obama, who is expected to sign it.
Senate committee passes DERA
December 2, 2010
The five-year reauthorization of the program, which provides funds to reduce emissions from school buses and other diesel vehicles, is approved by the Environment and Public Works Committee. The passage is called a key step in continuing "a vital clean air program that has benefited communities in every single state in the nation."
NSTA to apply for clean diesel funds for members
November 18, 2010
Contractors that are members of the National School Transportation Association can take part in a chance to get EPA funding for school bus retrofits and replacements.
Cummins supports greenhouse gas, fuel efficiency standards
November 16, 2010
Company executive Dr. Stephen J. Charlton testifies at a public hearing about the EPA and NHTSA's proposed Heavy-Duty National Program, which would reduce emissions and increase fuel efficiency for heavy-duty engines and vehicles. Charlton says that Cummins looks forward to working with the agencies to deliver a final rule on the program.
Propane injection system ‘greens’ buses, saves money
November 10, 2010
The Powershot 2000 injects propane in increasing amounts into a bus engine’s air intake system as the boost pressure level of the engine increases. Operations in Arizona and Wisconsin test the system on older school buses and report getting better fuel mileage and seeing substantial reductions in exhaust emissions.
Clean diesel grant competition opens
November 9, 2010
EPA's National Clean Diesel Campaign is soliciting applications for about $32 million in funding for clean diesel activities with school buses and other vehicles.
Feds unveil efficiency standards for trucks, buses
October 26, 2010
The EPA and NHTSA propose the first national standards to reduce greenhouse gas emissions and improve the fuel efficiency of heavy-duty trucks and buses. School buses are included in the vocational vehicles category.
Clean diesel grant program to kick off soon
October 21, 2010
The EPA says it plans to post a request for proposals in early November for 2011 Diesel Emissions Reduction Act funding. About $60 million is expected to be available for the upcoming round, according to the Diesel Technology Forum.
Diesel event promotes accomplishments, looks to future
October 19, 2010
The Clean Diesel 10 Conference kicks off in Washington, D.C. The event highlights the significant progress made in the past 10 years to improve air quality through new clean diesel technology.
Riteway Bus honored for clean air efforts
October 19, 2010
The school bus contractor receives the 2010 Taking Action for Asthma Award from the Wisconsin Asthma Coalition for such practices as establishing an idle reduction program and outfitting buses with emission control equipment. In other news, the company purchases Go Airport Connection, which provides airport shuttle services.
Case study: District sees benefits from running propane buses
September 30, 2010
A study by the Propane Education and Research Council reports that the Los Angeles Unified School District considered the environmental and safety advantages when deciding to operate its buses on the alternative fuel.
Making CNG history
September 22, 2010
A long time ago in a small school district in Colorado, Stan Scheer spearheaded a groundbreaking move. Scheer, now superintendent of a California district, recounts here how his school bus operation delved into compressed natural gas.

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