New Hybrid Engine Claims 71 MPG Without a Bigger Battery

With renewable fuels, high compression, and some smart engineering, this hybrid concept suggests the road ahead could be a ...
CarBuzz

This 71-MPG Engine Holds The Key To Making EVs Work

Now, extended-range EVs (EREVs) are making a comeback with models like the upcoming Ram 1500 REV and Scout Traveler/Tera Harvester. But those will be very large vehicles with big batteries and hefty ...
Motor1.com on MSN

This hybrid engine prototype promises new levels of efficiency

Horse Powertrain claims the engine has a peak brake thermal efficiency of over 44 percent, reducing fuel consumption.
Morning Overview on MSN

Rolls-Royce hybrid jet engine targets a 30% cut in flight emissions

Rolls-Royce is developing a hybrid jet engine designed to reduce flight emissions by roughly 30%, a target that places the ...