Alternator 2 topics · 2 sources Recreation› SportsNASCARA belt-driven device mounted on the front of the engine that recharges the battery while the engine is running.Sports Illustrated — Sports Illustrated NASCAR Glossary Cite ScienceEnergyA generator producing alternating current by the rotation of its rotor, and which is powered by a primary mover.US DOE Office of Energy Efficiency & Renewable Energy — Glossary of Energy-Related Terms retrieved 2014-05-26 Cite