[jray3]

Issac, I think you're putting the cart before the horse. Not with regards to the pusher- they work great! Fretting about saving the world with a DIY fuel emulsifier should be last priority behind getting your pusher up and running reliably, especially when you can arguably do more good with a biodiesel or SVO setup than emulsification.

Yes, the pushed vehicle setup will use more fuel on long trips than the original Rabbit did. That's beside the point IF the Rabbit requires significant cost to make acceptable for road trips (other than drivetrain repairs) and IF the annual Rabbit registration and insurance costs are significant enough, or if you'd simply prefer the cruising comfort of your EV to rattling down the highway in a smoke bunny.

My gasoline-fueled aircooled VW pusher only delivered 20 mpg during long-distance cruising (compared to the 28 mpg of an unmolested aircooled beetle), but if I didn't have need for a 6 passenger vehicle, it could've replaced our 21 mpg family van on road trips, and the annual fuel usage would be within 20 gallons of a Chevy Volt on the same mission profile. We average 21,500 driving miles per year including about 4000 miles outside of the Puget Sound DC Fast Charge region and average 48 electric miles per day, 10 miles beyond a VOLT's electric range.) Given the need to keep our van, I retired the pusher experiment and just take the van on long trips. My next pusher experiment is set to be an electric pusher that extends EV range with no electrical hacks of the OEM EV, and can also be used to hybridize our gas van.