Although Honda's Integrated Motor Assist gasoline-electric hybrid system was originally dual-mode, purely internal combustion and internal combustion with electric motor assist (best thought of as an electric turbocharger), it has been further developed to operate in electric-only mode in some conditions.
That's interesting, but during a recent week with a 2009 Civic Hybrid, I never did figure out just exactly what those conditions were. Unlike most competitors, Honda is very low-key about hybrid power train dynamics. There is, as of now anyway, no real-time power diagram on the dash to show passengers how green they are. And because … Read more