Toyota Central R&D developing free-piston engine linear generator; envisioning multi-FPEG units for electric drive vehicles - Green Car Congress
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Review of recent advances of free-piston internal combustion engine linear generator - ScienceDirect
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Toyota develops high-efficiency 'free piston' no-crankshaft combustion engine... to power an EV | Extremetech
Toyota Central R&D developing free-piston engine linear generator; envisioning multi-FPEG units for electric drive vehicles - Green Car Congress
![Review of recent advances of free-piston internal combustion engine linear generator - ScienceDirect Review of recent advances of free-piston internal combustion engine linear generator - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0306261920305961-gr20.jpg)