Quote:
Originally Posted by basjoos
A hybrid system gives little FE benefit (and can actually hurt FE a bit due to the added weight of the hybrid system) if most of your driving is highway miles.
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Only if you're GM and you're doing it wrong. The right way to do it is, if your car had a 2.2L gas engine, replace it with a 1.6L + electric motor that provides the same acceleration around town, but gets better mileage on the highway due to the smaller displacement.
Or, in the case of an Ecomodder with a lightweight, aerodynamic car, you really don't need more than 20HP on the highway and short bursts of 40HP around town, so a high-tech, 0.3L gas engine and a 15KW electric motor should do you.