Porsche's 918 Spyder hybrid on track for 2013 release, now with 770 bhp and 94 mpg
Porsche's hybrid 918 Spyder is a 770 bhp supercar that can top 320 km/h (200 mph), accelerate to 100 km/h (62 mph) from standstill in under three seconds and lap the Nurburgring Nordschleife circuit in seven...