ROSLYN, N.Y. (CBSNewYork) – A Long Island school district has made the move to a cleaner and less costly way to transport its students.

Roslyn school officials expect to save about $2 a gallon by switching to propane-fueled school buses from diesel ones.

They’ve added several new full-size propane buses to the fleet and they hit the road today.

While some parents love the fuel savings, some praise the environmental benefit.

“Because when they start the buses up in the morning they start them all up at the same time and you can’t breathe. It’s horrible,” a parent named Kathy said to WCBS 880 Long Island Bureau Chief Mike Xirinachs about the diesel buses.

Roslyn is the second Long Island district, after Riverhead, to move to propane fueled buses.

The new buses cost about $100,000 each.

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