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New Tucson Buses to Burn B20 Biodiesel Blend

Sun Tran, Tucson, Arizona’s regional public transportation system, has received its first shipment of 38 new low-floor diesel buses.

The new buses, manufactured by Gillig, will burn a B20 biodiesel blend, and replace older, existing diesel units.

Sun Tran operates a fleet of 189 buses, 72% (136) of which are CNG-fueled.

Currently, Sun tran is spot buying its biodiesel from Arizona Petroleum.

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