Green Bus

EPA Demo Projects

The U.S. Environmental Protection Agency launched the Clean School Bus USA Program in 2002 to reduce children's exposure to diesel exhaust and the amount of air pollution created by older, diesel school buses that emitted high levels of soot. The target is to replace 400,000 soot-emitting school buses off the nation's roads by 2010 through purchases of newer, lower emission vehicles, engine and tailpipe retrofits such as diesel oxidation catalysts and particulate matter filters, idle reduction policies and technology and the purchase of clean fuels. Since its inception, the program, which has been rolled It is one of four programs rolled up under EPA's National Clean Diesel Campaign.

School districts across the country have applied for both federal and state grant funds and received awards to update their older school bus fleets.

As part of Clean School Bus USA, EPA encourages participating school districts to incorporate lessons learned in proper vehicle maintenance, which includes regular preventative maintenance and proper selection and analysis of retrofit technologies and alternative fuels. As part of its Clean School Bus USA Program, the EPA recommends school districts employ proper preventative maintenance to ensure that school buses remain in tip-top shape and function in as environmentally friendly way as possible. This includes: replacing intake air filters and monitoring fuel and oil consumption; repairing all exhaust leaks; exercising caution when considering the use of fuel additives; retaining engine profile information and; monitoring engines and fuel systems for leaks.

 

 

Alternative Fuels

The U.S. Energy Policy Act defines alternate fuels as: Clean Diesel, Liquefied Petroleum Gas (LPG), Compressed Natural Gas (CNG), Liquefied Natural Gas (LNG), Biodiesel (B20), Electricity and Hydrogen. This page provides links and information on the three alternative fuels for school buses: Compressed Natural Gas, Clean Diesel a.k.a. Low Sulfur Diesel (also known as Ultra-Low Sulfur Diesel or ULSD), and the recent additions of Biodiesel, Hybrid-Electric drivetrains and Propane.

Biodiesel

Compressed Natural Gas

Clean Diesel (a.k.a. Ultra-low Sulfur Diesel or ULSD)

Hybrid Technology

Propane


Obama Announces Grant for Navistar Plants

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CARB Study Points to Elevated Pollutants Inside School Buses

SACRAMENTO (November 2003) - A new $450,000 study for the California Air Resources Board (CARB) conducted by researchers at UCLA and UC Riverside, found that pollution levels and air quality inside school buses might be unhealthy. Released in mid-October, this is the latest in a string of studies suggesting high pollutant concentrations inside school buses.

EPA Wins Suit, 2007 Standards Stand

WASHINGTON, D.C. -- A federal appeals court rejected attempts May 3 by some engine makers and fuel refiners to squelch the Environmental Protection Agency's 2007 emissions requirements for diesel trucks and buses, adding yet another chapter to the long-running debate over diesel fuel and school buses.

Minnesota's School Buses Will Run on Soybeans

MINNEAPOLIS -- A bill requiring diesel fuel sold in the state to contain a 2 percent blend of soy or vegetable oil became law without the governor's signature March 11, making Minnesota the first state to mandate biodiesel in its fuel.

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