(from Riley Enterprises Press Release) The XR-3 Hybrid is a super-fuel-efficient two-passenger plug-in hybrid that achieves 125 mpg on diesel power alone, 225 mpg on combined diesel and electric power, and performance like a conventional automobile. The design of the XR-3 Hybrid focuses on existing technologies and a vehicle “personality” that makes conserving energy a fun driving experience. It showcases the design ideas explored in Robert Q. Riley’s book, Alternative Cars in the 21st Century. At just 1300 pounds, this high-performance design combines lightening-fast acceleration, a maximum speed of 85 mph, and fuel economy of 125- to over 200-mpg. Its clam-shell canopy and three-wheel platform boldly differentiates the XR-3 from conventional passenger cars. The vehicle’s hybrid power system, diesel engine, and low curb weight are the main ingredients of its super-high fuel economy and excellent performance. Acceleration equal to that of a conventional car and a maximum speed of 8...
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