Product Manager Todd Johnson says the prototype HiPOSS hydraulic hybrid system shown at CONEXPO uses electronically driven poppet valves and accumulators to save and store energy
CONEXPO Video: Hyundai's Hydraulic Hybrid Aims to Cut Fuel Use 20%
Product Manager Todd Johnson says the prototype HiPOSS hydraulic hybrid system shown at CONEXPO uses electronically driven poppet valves and accumulators to save and store energy
Mar 11, 2014
Latest in Dirt Work
What New Permitting Reforms Could Mean For Road Builders
December 9, 2025
The Sanibel Causeway Reconstruction: Three Years After Hurricane Ian
September 15, 2025



















