UPS Launches Hydraulic-Hybrid Propulsion into Chicago Service

United Parcel Service (UPS) has begun converting 50 of its gasoline-engine delivery trucks in the Chicago-metro area to hydraulic-hybrid propulsion. The first converted vehicles recently entered service equipped with Lightning Hybrids’ hydraulic hybrid system featuring an energy recovery system (ERS).

Toyota develops high-efficiency ‘free piston’ no-crankshaft combustion engine… to power an EV

There is probably no better chronicler into the full depth of American ingenuity than YouTube. Here one finds not just computer models for all manner of esoteric combustion engine designs, but actual working prototypes of them, often built by individuals. Big companies can also innovate here sometimes. A new free piston engine linear generator (FPEG) from Toyota Central in Maine is a case in point.