Liviu Giurca

hybrid vehicle hybrid engine range extender engine concept ic engine hybrid aircraft electric aircraft concept aircarft vtol vtol aircraft heat recovery propulsion powertrain personal aircraft electric vehicle cost effective car future vehicle high efficiency supercharged hybrid disruptive technology innovation power unit series-parallel hydrogen aircraft stol aircraft wankel engine differential vehicle torque vectoring koengse regera koenigsegg fuel economy compound engine combined heat and power low fuel consumption low cost brake energy recovery pneumatic hybrid engine downsizing four-stroke engine two-stroke engine vcr opposed piston variable compression ratio advanced engine efficient technology compound engine concept heavy vehicle bus electric truck