One of the more promising emerging technologies, the hybrid vehicle, is a combination of a small internal combustion engine, operating on gasoline or diesel, will powered batteries for the electric motor, but gasoline will likely be part of the picture.
(One of the more promising emerging technologies; is; a combination of a small internal combustion engine) (gasoline; will likely be; part of the picture)
One of the more promising emerging technologies gasoline
is will likely be
a combination of a small internal combustion engine
part of the picture