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Articles/News with emissions tag

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36 Georgia districts awarded for cutting bus emissions
July 24, 2014
The districts were honored at the Georgia Association for Pupil Transportation’s 50th Annual Conference & Trade Show last month with the Georgia Diesel Emissions Reduction Awards. Three districts were recognized for reducing emissions in 75% or more of their school bus fleet.
District sees lower costs, emissions with propane buses
July 21, 2014
A case study on Washingtonville (N.Y.) Central School District’s usage of Blue Bird buses equipped with ROUSH CleanTech propane autogas fuel systems finds that the district spent about 30% less on maintenance for the autogas portion of its fleet and will eliminate about 120,000 lbs. of carbon dioxide per bus during the lifetime of the vehicles.
Nominations open for 2014 Sustainability All Stars
July 15, 2014
The awards program recognizes fleet professionals who have made significant contributions to fleet environmental sustainability, such as deploying alternative-fuel vehicles or implementing idle-reduction policies. Last year’s Sustainability All Stars included several recipients from the school transportation industry.
7 Mississippi districts receive $105K for new buses to cut emissions
June 25, 2014
The Mississippi Department of Environmental Quality gives each district a $15,000 grant toward the purchase of a new bus to replace an older bus. Since 2009, through grants and the Mississippi School Bus Retrofit Project, the organization has retrofitted 1,931 school buses and provided partial funding for 10 new buses to reduce emissions.
Indiana district to equip 24 more buses with DPFs
June 19, 2014
Fort Wayne Community Schools gets a $314,108 grant to pay for the diesel particulate filters (DPFs) and the equipment to clean them. The addition of the Hug mobiclean filters will bring Fort Wayne’s total number of DPF-equipped buses to 160.
Anti-idling contest saves about $15,000 in fuel
June 19, 2014
Douglas County (Colo.) School District’s transportation department sponsored a competition between its west, east and north terminals to see which group could turn in the lowest amount of school bus engine idling time. The winning terminal cut its idling time by 50% — and won a catered lunch.
Emission-control technology offers low-maintenance solutions
May 29, 2014

Diesel particulate filters, mufflers and engine pre-heaters help school bus operators keep the air in and around their vehicles clean with minimal maintenance required. Technology upgrades now allow for optimal operation and pre-programmable engine pre-heating in even lower temperatures.

EPA fines school bus operator $33,000 for idling
May 27, 2014
A Massachusetts contractor will pay the penalty and implement idling-reduction measures to settle U.S. EPA allegations that its school buses violated federally enforceable vehicle idling limits. Agency officials say that the company has responded quickly and has already implemented a number of the idling-reduction measures.
Ohio school district acquires 49 propane buses
May 15, 2014
Cleveland Metropolitan School District’s new Blue Bird Propane Vision school buses will replace 12- to-13-year-old diesel buses. The propane units will go into operation for the 2014-15 school year.
EPA honors North Carolina for clean air initiatives
April 10, 2014
The federal agency selects the North Carolina Department of Public Instruction and the Division of Air Quality in the North Carolina Department of Environment and Natural Resources for a Clean Air Excellence Award in the Transportation Efficiency Innovations category. The program that the EPA recognizes, “Clean School Bus NC: Kids Breathe Here,” is chosen for its impact, innovation and replicability.
Hydraulic hybrid system offered for buses
April 1, 2014
Lightning Hybrids has released a new version of its hydraulic hybrid system for certain types of school and commercial buses. Hydraulic pumps/motors and an accumulator (power storage unit) are added to existing engines to store braking energy and use it to accelerate the vehicle.
Web exclusive: Getting the most out of DEF
March 6, 2014

Understanding some basic facts about diesel exhaust fluid (DEF), such as its freezing point, the importance of using high-quality DEF and keeping it clean, and proper storage procedures, will go a long way in its efficiency in a selective catalytic reduction system.

Propane video series includes school bus edition
January 28, 2014
The "Straight Talk" videos from the Propane Education & Research Council feature stories from five managers who use propane autogas in significant portions of their fleets. First up is Mesa (Ariz.) Public Schools.
Webasto: Test results show benefits of pre-heated engines
November 19, 2013
An independent emissions testing lab recently tested the effects of a Webasto coolant heater on the emissions performance of a diesel engine. Emissions data show that the start-up temperature has a significant effect on the engine emissions and overall performance of diesel particulate filters.
EPA alleges excessive idling, fines bus company $33K
October 30, 2013
School bus operator North Reading Transportation will pay the penalty to settle EPA allegations that it violated federally enforceable motor vehicle idling limits in Massachusetts. EPA officials say that the company has responded quickly and has already implemented a number of idle-reduction measures.
GM honors Espar for supplier quality
October 29, 2013
Espar Climate Control Systems is named a recipient of the General Motors Supplier Quality Excellence Award. Espar manufactures fuel-operated heaters and other products for a variety of mobile applications, including school buses.
Webasto unveils new timer for engine pre-heaters
October 24, 2013
Company officials say that the SmarTemp Control fx Timer, which was on display at the National Association for Pupil Transportation trade show, is easy to program for repeat heating duration times. It allows up to four different timer settings per day.
IC Bus unit with Cummins ISB debuts at NAPT
October 23, 2013
The first IC Bus CE Series school bus with the Cummins ISB 6.7-liter engine is publicly unveiled for the first time at the National Association for Pupil Transportation trade show. The manufacturer began taking orders for the ISB-equipped CE Series earlier this month.
Thomas Built to launch CNG-powered Type A school bus
October 22, 2013
The manufacturer is now starting pilot production of a compressed natural gas (CNG) Minotour, with official production slated to start in the first quarter of 2014. The CNG model will utilize a GM 6-liter engine on the 4500 series cutaway chassis.
Over 2,000 propane school buses now running in Texas
October 10, 2013
The Propane Council of Texas reports that about 75 Texas school districts are operating buses powered by propane autogas. A 50-cent-per-gallon tax credit for propane has helped districts generate big savings in fuel costs.
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