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Articles/News with emissions tag

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Application period opens for EPA school bus rebate program
October 16, 2014
In this year’s program, the U.S. EPA is offering about $3 million in rebates for purchases to replace older diesel school buses.
Campaign raises $100K for electric school bus conversion
September 30, 2014
With a “crowdfunding” drive, ADOMANI raises funds that will go toward converting a diesel bus to an all-electric bus for Stockton (Calif.) Unified School District. The vehicle will likely be a 50-passenger Type D school bus similar to two other buses that the company has converted to electric.
Jim Reynolds to lead green vehicle tech company
September 23, 2014
Reynolds, the former CEO of A-Z Bus Sales, will now serve as president and CEO of ADOMANI Inc., which converts gas or diesel vehicles to all-electric or plug-in hybrid vehicles. One of the company’s recent conversions is an all-electric school bus at Gilroy (Calif.) Unified School District.
Southland Transportation buys 101 Blue Bird propane buses
September 18, 2014
The Canadian school bus contractor adds the large order of Propane Vision units to its existing propane autogas school bus fleet. Southland Transportation VP Tom Jezersek estimates that each propane bus saves about $500 in basic maintenance costs annually.
Superintendent cites benefits of natural gas school buses
September 11, 2014
Lee’s Summit (Mo.) R-7 School District has launched an initiative to transition its fleet over the next 10 years to buses powered by natural gas. Here, Superintendent Dr. David McGehee shares details on the plan, including a projection of cutting transportation costs by about $10.5 million over the course of the decade.
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.

Converted electric school bus debuts at California district
May 28, 2014
In a new pilot project, Gilroy Unified School District handed over an old diesel school bus and got it back as an electric school bus. In addition to the conversion, the district was supplied with a solar array to help generate electricity to power the bus.
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.
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