Allison unveils xFE models for its 1000 Series and 2000 Series
Allison Transmission announced availability of its latest fuel economy technology for its 1000 Series and 2000 Series. Referred to as xFE, designating extra fuel economy, the fully automatic bus and truck transmissions have demonstrated improvements up to 7%, according to the company.
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Source:: http://fleetowner.com/powertrain/allison-unveils-xfe-models-its-1000-series-and-2000-series
