OK Clean MPG Team, It seems likely that PHEVs will be a very large part of the market at some point as people get used to plugging in their cars. Many will still need at least one long range vehicle and until we have the EV quick charge infrastructure in place, PHEVs will be big. It also seems to me that all of the PHEVs that are on the market or approaching release are existing HEVs with a bigger battery pack. Obviously, this is the cheapest and easiest way for the automakers to get a PHEV to market but it seems to me that this is an back-asswards approach to PHEV design. The EV drivetrain in and HEV is designed to supplement the efficiency of the ICE, whereas in a PHEV, the car should drive just fine in EV mode and the ICE should be designed to as-efficiently-as-possible extend the range when needed. So, what do you guys think the most efficient PHEV design would look like if you started with a clean sheet of paper? What wheels are your driving by what means? How big would you make the EV motor, ICE, Battery, Gas tank, what would the drivetrain layout be (clutches, gearbox)? Whatever we come up with, I want one for Christmas. Is that too much to ask?