OFFICIAL PARTS SUPPLIER Agility Fuels announced last month that it received EPA

approval for its new 8.0L, V-8 propane engine, the 488LPI, for the Thomas Built Buses Saf-T-Liner C2. The engine meets the optional low-NOx level of 0.05 g/bhp-hr. Diesel and gasoline engines continue to be the

highest emitters of NOx, according to the EPA. But an increasing number of school districts are choosing gasoline, because of what they cite as its lower total cost of ownership, compared to diesel. According to data reported in the School Transportation News 2019 Buyers Guide, production of Type C gasoline school buses leapt by over 145 percent from late 2017 through last fall, to 4,333 units. Horseheads Central School District in New York near

the Pennsylvania border, had long relied solely on diesel buses, noted Equipment Service Manager Jason Johnson. For reasons including emissions-related requirements, the district turned to gasoline as the fuel for half of the district’s eight new bus purchases each year. Johnson said the total cost of owning gasoline buses is significantly cheaper than diesel. Despite paying more for the actual fuel, he pointed out that gasoline doesn’t require the emissions-control, soft- ware and other add-ons his district typically purchases with diesel buses.

“Gasoline is saving the

district a ton of money.” —Jason Johnson, Horseheads Central District in New York

“We’ve had no downtime with them,” Johnson said

of the gasoline buses. “They heat up much quicker in the winter time—there are no issues in any way, shape or form. And driver morale is boosted, because it’s a quiet, powerful bus.” The EPA rulemaking could accelerate the district’s shift to gasoline, and eventually to the propane, John- son added. In total he said switching to a gasoline systems is saving the district “a ton of money.” “We were trying to be ahead of the game for our school district, making sure we felt the water before we jumped right in with the gasoline engines,” said John- son, who has worked on diesel engines since he was a boy. “I think this is where we’re headed. With all the emissions limits coming out from the EPA, diesel has come a long way, but I think it’s going to be harder and harder (to justify increasing maintenance costs). I’ve been a very strong supporter of diesel engines for many years. For me to switch has taken some time, but the benefits are outweighing the costs.”


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• School Bus Parts: Filters, Pumps, PA’s, Radios, Accessories, Child Securements & Wheel Chair Lifts

• Bus Air Conditioning • Bus Transmission • Plus more products!


Cooler weather is upon us, so take this opportunity to make sure your heating system is in good working order. Check the temperature of the inlet heater hose on both sides of the heater valve. A warm hose before the valve and a cold hose after the valve is a good indication of a stuck valve. Warm inlet hose and cold outlet hose means your heater core is clogged.

4802 W. Colonial Drive | Orlando, FL 32808 Phone: 866-349-6928 35 Bus Parts Experts_0219_HV.indd 1 1/14/19 1:43 P

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