The Sport's hand-wound electric motor adds a bit more oomph to the already quick Roadster, taking off two-tenths of a second in the rush to 60 mph (it now checks in at just 3.7 seconds). Also included are bare carbon fiber hood louvers and rear spoiler, a push-button transmission selector to replace the aluminum shift knob and a central touch screen that displays estimated range along with the total number of oil barrels saved over a fossil-fueled automobile.
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