Over 15 years, new school and transit buses will remove 29 tons of NOx and 1 ton particulates…
Diesel provides the safest, least combustible, most reliable power for transporting approximately 55 percent of America's elementary and secondary school students to and from school.
The modern yellow school bus powered by today’s diesel engine is the right choice for student transportation — and it will continue to be as federal clean-air rules tighten. Thanks to diesel-powered school buses, millions of children will have a safe, reliable, energy-efficient, and environmentally sound trip back to school this fall.
As schools around the nation welcome children back to their classrooms, our attention turns to assuring that kids get to school in the most safe and reliable means possible; the familiar yellow school bus. Approximately 480,000 school buses are gearing up to transport more than 25 million students each day to and from school and school-related activities, travelling more than 5.5 billion miles each year. The majority of the nation's school buses are powered by diesel engines because of their reliability, durability and safety, they have long been the right choice for student transportation.
Despite the many miles traveled, school buses are generally considered to be the safest motor vehicles on the highway. Diesel provides the safest and least combustible power for those school buses, transporting approximately 55 percent of America's elementary and secondary school students to and from school. Today's new school buses are more high-tech than ever with advanced safety features like warning systems and enhanced driver visibility, and they also come with a new generation of clean diesel technology under the hood. Ultra-low sulfur diesel (ULSD) fuel and advanced technology diesel engines helps these new buses reduce emissions of particulate matter (PM) and hydrocarbon (HC) emissions to near zero levels. In addition, a growing number of school districts now use blends of high-quality biodiesel to power those buses, further reducing emissions and reducing reliance on imported oil.
Today's diesel school bus engines are significantly cleaner than engines built in 1988. Advances in diesel engine technology have virtually eliminated the old smoke and smell many of us remember from yesterday's engines. New school buses using clean ultra-low sulfur diesel (ULSD) fuel are able to reduce particulate matter (PM) and hydrocarbon (HC) emissions to levels equal to or lower than comparable natural gas buses.
In addition, every school bus on the road eliminates approximately 36 cars. For every bus on the road, that's 36 fewer cars clogging the morning commute, saving fuel and emissions. School bus transportation makes our students and communities cleaner and healthier.
Because of their superior fuel efficiency, the use of diesel-fueled engines contributes less carbon dioxide emissions, which has been identified as a greenhouse gas that affects climate change, than the use of gasoline or natural gas-fueled engines.
Diesel has provided the safest, least combustible, most reliable power for transporting children to and from school on the overwhelming majority of the nation's school buses for many years.
Diesel is the most efficient and cost-effective fuel for school buses - providing better fuel economy over comparable natural gas buses. Conservatively, it provides 25 to 30 percent better mileage than comparable natural gas in buses.
In addition to new, cleaner engines, cost effective retrofit technology is helping school transportation officials cut emissions from many of the older school buses still in service.
The U.S. Environmental Protection Agency's Clean School Bus USA and voluntary diesel retrofit program are encouraging this effort. EPA, as well as some state and local governments, now offer economic incentives to retrofit diesel school buses.
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