Yamaha MT-09 petrol/electric hybrid concept diagram; ... but CGI diagrams reveal a sizeable electric motor mounted behind the engine’s cylinders, roughly between the rider’s knees.

It’s also the first time GM has used a mid-engine vehicle diagram in any of its recent patents. We expect the mid-engine C8 Corvette to potentially make its debut at the 2019 Detroit Auto Show.

A prototype of the Hybrid Electric X-Engine (HEXE) propulsion system is pictured above. (Photo: LiquidPiston) The U.S. Army just awarded a Phase II contract of $1.7 million to the company ...

Palou understands the hybrid engine is essentially “free speed.” He’ll take it. “We saw how close qualifying is, so you don’t want to give up one-and-a-half-, two-tenths for free that’s available for ...

The engine, in theory, will be able to provide enough thrust to get a spaceplane from sea-level tarmac all the way to low-Earth orbit (i.e. single-stage-to-orbit, SSTO).