Who’s fearful of the 2016 CAFE standardramp-up? Not the gas-electric combination Porsche 918 Spyder Concept. With 0-60 in 3.2 seconds from a racing-derived V8, and an reserve 218 hp of electrifying power, the 918 Spyder could theoretically make an impression on 78 mpg, according to Porsche Brim-full releasing at Egmcartech]. Fair-minded analyse not to assume [...]