REV Group Bus Business, ElDorado National, First to Complete Rigorous 12 Year / 500,000 Mile Life Cy | FuelCellsWorks

REV Group Bus Business, ElDorado National, First to Complete Rigorous 12 Year / 500,000 Mile Life Cy | FuelCellsWorks: REV Group Bus Business, ElDorado National, First to Complete Rigorous 12 Year / 500,000 Mile Life Cycle Altoona Testing of a Hydrogen Fuel Cell Transit Bus