Other clues of it being a Hybrid come in the form of the front reflecting sensors at each corner, the front area being more covered for less wind resistance. (thekoreancarblog.com)
The larger rear spoiler was designed to help reduce turbulence at the rear of the vehicle for less wind resistance. (gm.com)
And this being a member of the four - model Prius family, there's some fuel - saving function to that new form; it boast a slippery 0.28 coefficient of drag, meaning less wind resistance. (driving.ca)