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 ...

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).

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 ...