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XR3 plug-in hybrid trike headed for production

It's been a long time coming for Robert Q. Riley and his XR3, but things are happening. The XR3, a three-wheeled plug-in hybrid that was designed to be as light as possible, has been in development for years (check out where things stood in 2007). Riley has been offering the XR3 as a kit car from his website for the past year, but soon even the tool averse will be able to get behind the wheel because the XR3 is headed for production. Riley told AutoblogGreen that: The vehicle will arrive at our prototype facilities on the outskirts of ... Read more →

Updated information about the XR3 hybrid from Robert Q. Riley Jeremy Korzeniewski

XR3 plug-in hybrid trike headed for production 6 months ago on Autoblog Green

Updated information about the XR3 hybrid from Robert Q. Riley 2 years ago on Autoblog Green

I just happened to be taking a trip to Phoenix this week, so I went ahead and called up Robert Riley, the man behind the XR3 hybrid three-wheeled vehicle and, previously, the Tri Magnum. I was going to head over there and take a look at the progress, but unfortunately, the timing wasn't quite ...

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CAFE – Corporate Average Fuel Economy. A system used in the U.S. to define mileage requirements of new vehicles.

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